chore(dependencies): Bump pressbooks-build-tools from 0.7.0 to 0.8.0 (#39)

Bumps [pressbooks-build-tools](https://github.com/pressbooks/pressbooks-build-tools) from 0.7.0 to 0.8.0.
- [Release notes](https://github.com/pressbooks/pressbooks-build-tools/releases)
- [Commits](https://github.com/pressbooks/pressbooks-build-tools/compare/0.7.0...0.8.0)

package-lock.json

@@ -10985,9 +10985,9 @@
       "dev": true
     },
     "pressbooks-build-tools": {
-      "version": "0.7.0",
+      "version": "0.8.0",
-      "resolved": "https://registry.npmjs.org/pressbooks-build-tools/-/pressbooks-build-tools-0.7.0.tgz",
+      "resolved": "https://registry.npmjs.org/pressbooks-build-tools/-/pressbooks-build-tools-0.8.0.tgz",
-      "integrity": "sha512-h5NfecjjF+LYkiJ8gr0935l6nlu5JO9sL3hfJxwymgzOgFwqTbVvNYkaPLzj/xo7B56wArKd28BFt7MQHB9DOw==",
+      "integrity": "sha512-bJPcHmCFICAzxBYMfGTVuOnbWzXA27lmTtcDIFuddpguN7XRQVsyOY31G+q0CkmmwtejNiyGvXZtFQfn1VEj4g==",
       "dev": true,
       "requires": {
         "babel-eslint": "8.0.3",

package.json

@@ -45,7 +45,7 @@
     "node": ">= 6.9.4"
   },
   "devDependencies": {
-    "pressbooks-build-tools": "^0.7.0"
+    "pressbooks-build-tools": "^0.8.0"
   },
   "dependencies": {
     "aetna": "^0.1.0",

yarn.lock

@@ -6180,9 +6180,9 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-pressbooks-build-tools@^0.7.0:
+pressbooks-build-tools@^0.8.0:
-  version "0.7.0"
+  version "0.8.0"
-  resolved "https://registry.yarnpkg.com/pressbooks-build-tools/-/pressbooks-build-tools-0.7.0.tgz#4b63be88b73b7c784cf1870ac0617b9e993c99da"
+  resolved "https://registry.yarnpkg.com/pressbooks-build-tools/-/pressbooks-build-tools-0.8.0.tgz#def360d52e77707d17d965f4930a6f6c4bbf1c16"
   dependencies:
     babel-eslint "^8.0.3"
     browser-sync "^2.18.13"