[Security] Bump superagent from 3.6.0 to 3.8.3

Bumps [superagent](https://github.com/visionmedia/superagent) from 3.6.0 to 3.8.3. **This update includes security fixes.**
- [Release notes](https://github.com/visionmedia/superagent/releases)
- [Changelog](https://github.com/visionmedia/superagent/blob/master/History.md)
- [Commits](https://github.com/visionmedia/superagent/compare/v3.6.0...v3.8.3)

Signed-off-by: dependabot[bot] <support@dependabot.com>

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@pressbooks/pressbooks-aldine",
-  "version": "1.2.1",
+  "version": "1.5.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -3047,11 +3047,6 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
-    "cookiejar": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/cookiejar/-/cookiejar-2.1.1.tgz",
-      "integrity": "sha1-Qa1XsbVVlR7BcUEqgZQrHoIA00o="
-    },
     "copy-concurrently": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/copy-concurrently/-/copy-concurrently-1.0.5.tgz",
@@ -6221,11 +6216,6 @@
         "mime-types": "2.1.17"
       }
     },
-    "formidable": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/formidable/-/formidable-1.1.1.tgz",
-      "integrity": "sha1-lriIb3w8NQi5Mta9cMTTqI818ak="
-    },
     "forwarded": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.2.tgz",
@@ -18576,48 +18566,6 @@
         "chalk": "1.1.3"
       }
     },
-    "superagent": {
-      "version": "3.8.2",
-      "resolved": "https://registry.npmjs.org/superagent/-/superagent-3.8.2.tgz",
-      "integrity": "sha512-gVH4QfYHcY3P0f/BZzavLreHW3T1v7hG9B+hpMQotGQqurOvhv87GcMCd6LWySmBuf+BDR44TQd0aISjVHLeNQ==",
-      "requires": {
-        "component-emitter": "1.2.1",
-        "cookiejar": "2.1.1",
-        "debug": "3.1.0",
-        "extend": "3.0.1",
-        "form-data": "2.3.1",
-        "formidable": "1.1.1",
-        "methods": "1.1.2",
-        "mime": "1.6.0",
-        "qs": "6.5.1",
-        "readable-stream": "2.3.3"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "form-data": {
-          "version": "2.3.1",
-          "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.1.tgz",
-          "integrity": "sha1-b7lPvXGIUwbXPRXMSX/kzE7NRL8=",
-          "requires": {
-            "asynckit": "0.4.0",
-            "combined-stream": "1.0.5",
-            "mime-types": "2.1.17"
-          }
-        },
-        "qs": {
-          "version": "6.5.1",
-          "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.1.tgz",
-          "integrity": "sha512-eRzhrN1WSINYCDCbrz796z37LOe3m5tmW7RQf6oBntukAG1nmovJvhnwHHRMAfeoItc1m2Hk02WER2aQ/iqs+A=="
-        }
-      }
-    },
     "supports-color": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",

yarn.lock

@@ -2006,6 +2006,12 @@ combined-stream@^1.0.5, combined-stream@~1.0.5:
   dependencies:
     delayed-stream "~1.0.0"
 
+combined-stream@^1.0.6:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.7.tgz#2d1d24317afb8abe95d6d2c0b07b57813539d828"
+  dependencies:
+    delayed-stream "~1.0.0"
+
 commander@2.11.x, commander@~2.11.0:
   version "2.11.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.11.0.tgz#157152fd1e7a6c8d98a5b715cf376df928004563"
@@ -2474,7 +2480,7 @@ debug@2.6.8:
   dependencies:
     ms "2.0.0"
 
-debug@2.6.9, debug@^2.2.0, debug@^2.3.3, debug@^2.6.0, debug@^2.6.6, debug@^2.6.8, debug@~2.6.4, debug@~2.6.6, debug@~2.6.9:
+debug@2.6.9, debug@^2.2.0, debug@^2.3.3, debug@^2.6.6, debug@^2.6.8, debug@~2.6.4, debug@~2.6.6, debug@~2.6.9:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
   dependencies:
@@ -3778,7 +3784,15 @@ forever-agent@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
 
-form-data@^2.1.1, form-data@~2.1.1:
+form-data@^2.3.1:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.3.3.tgz#dcce52c05f644f298c6a7ab936bd724ceffbf3a6"
+  dependencies:
+    asynckit "^0.4.0"
+    combined-stream "^1.0.6"
+    mime-types "^2.1.12"
+
+form-data@~2.1.1:
   version "2.1.4"
   resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.1.4.tgz#33c183acf193276ecaa98143a69e94bfee1750d1"
   dependencies:
@@ -3786,9 +3800,9 @@ form-data@^2.1.1, form-data@~2.1.1:
     combined-stream "^1.0.5"
     mime-types "^2.1.12"
 
-formidable@^1.1.1:
+formidable@^1.2.0:
-  version "1.1.1"
+  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/formidable/-/formidable-1.1.1.tgz#96b8886f7c3c3508b932d6bd70c4d3a88f35f1a9"
+  resolved "https://registry.yarnpkg.com/formidable/-/formidable-1.2.1.tgz#70fb7ca0290ee6ff961090415f4b3df3d2082659"
 
 forwarded@~0.1.2:
   version "0.1.2"
@@ -6092,7 +6106,7 @@ mime@1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
 
-mime@^1.3.4, mime@^1.3.6, mime@^1.5.0:
+mime@^1.3.4, mime@^1.4.1, mime@^1.5.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
 
@@ -7468,6 +7482,10 @@ process-nextick-args@~1.0.6:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
 
+process-nextick-args@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
+
 process@^0.11.0:
   version "0.11.10"
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
@@ -7564,10 +7582,14 @@ qs@6.2.1:
   version "6.2.1"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.2.1.tgz#ce03c5ff0935bc1d9d69a9f14cbd18e568d67625"
 
-qs@6.5.1, qs@^6.2.0, qs@^6.4.0:
+qs@6.5.1, qs@^6.2.0:
   version "6.5.1"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"
 
+qs@^6.5.1:
+  version "6.5.2"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
+
 qs@~6.3.0:
   version "6.3.2"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.3.2.tgz#e75bd5f6e268122a2a0e0bda630b2550c166502c"
@@ -7715,6 +7737,18 @@ read-pkg@^3.0.0:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
+readable-stream@^2.3.5:
+  version "2.3.6"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~2.0.0"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.1.1"
+    util-deprecate "~1.0.1"
+
 readable-stream@~1.1.9:
   version "1.1.14"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
@@ -8886,6 +8920,12 @@ string_decoder@~1.0.3:
   dependencies:
     safe-buffer "~5.1.0"
 
+string_decoder@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+  dependencies:
+    safe-buffer "~5.1.0"
+
 stringify-entities@^1.0.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/stringify-entities/-/stringify-entities-1.3.1.tgz#b150ec2d72ac4c1b5f324b51fb6b28c9cdff058c"
@@ -9106,19 +9146,19 @@ sum-up@^1.0.1:
     chalk "^1.0.0"
 
 superagent@^3.3.1:
-  version "3.6.0"
+  version "3.8.3"
-  resolved "https://registry.yarnpkg.com/superagent/-/superagent-3.6.0.tgz#eb679651057c3462199c7b902b696c25350e1b87"
+  resolved "https://registry.yarnpkg.com/superagent/-/superagent-3.8.3.tgz#460ea0dbdb7d5b11bc4f78deba565f86a178e128"
   dependencies:
     component-emitter "^1.2.0"
     cookiejar "^2.1.0"
-    debug "^2.6.0"
+    debug "^3.1.0"
     extend "^3.0.0"
-    form-data "^2.1.1"
+    form-data "^2.3.1"
-    formidable "^1.1.1"
+    formidable "^1.2.0"
     methods "^1.1.1"
-    mime "^1.3.6"
+    mime "^1.4.1"
-    qs "^6.4.0"
+    qs "^6.5.1"
-    readable-stream "^2.0.5"
+    readable-stream "^2.3.5"
 
 supports-color@^2.0.0:
   version "2.0.0"