[Security] Bump stringstream from 0.0.5 to 0.0.6 (#144)

Bumps [stringstream](https://github.com/mhart/StringStream) from 0.0.5 to 0.0.6. **This update includes security fixes.**
<details>
<summary>Vulnerabilities fixed</summary>

*Sourced from [The Node Security Working Group](https://github.com/nodejs/security-wg/blob/master/vuln/npm/422.json).*

> **Out-of-bounds Read**
> `stringstream` allocates uninitialized Buffers when number is passed in input stream on Node.js 4.x and below
> 
> Affected versions: <=0.0.5

*Sourced from [The Node Security Working Group](https://github.com/nodejs/security-wg/blob/master/vuln/npm/422.json).*

> **Out-of-bounds Read**
> `stringstream` allocates uninitialized Buffers when number is passed in input stream on Node.js 4.x and below
> 
> Affected versions: <=0.0.5

</details>
<details>
<summary>Commits</summary>

- [`fee31c5`](fee31c5c4a) 0.0.6
- [`2f4a9d4`](2f4a9d496f) Merge pull request [#9](https://github-redirect.dependabot.com/mhart/StringStream/issues/9) from mhart/fix-buffer-constructor-vuln
- [`afbc744`](afbc744222) Ensure data is not a number in Buffer constructor
- See full diff in [compare view](https://github.com/mhart/StringStream/compare/v0.0.5...v0.0.6)
</details>
<br />

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</details>

package-lock.json

@@ -7024,11 +7024,6 @@
             "safe-buffer": "5.0.1"
           }
         },
-        "stringstream": {
-          "version": "0.0.5",
-          "bundled": true,
-          "optional": true
-        },
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
@@ -17545,11 +17540,6 @@
         "is-hexadecimal": "1.0.2"
       }
     },
-    "stringstream": {
-      "version": "0.0.5",
-      "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.5.tgz",
-      "integrity": "sha1-TkhM1N5aC7vuGORjB3EKioFiGHg="
-    },
     "strip-ansi": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",

yarn.lock

@@ -8936,8 +8936,8 @@ stringify-entities@^1.0.1:
     is-hexadecimal "^1.0.0"
 
 stringstream@~0.0.4:
-  version "0.0.5"
+  version "0.0.6"
-  resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
+  resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.6.tgz#7880225b0d4ad10e30927d167a1d6f2fd3b33a72"
 
 strip-ansi@^3.0.0, strip-ansi@^3.0.1:
   version "3.0.1"