Update dependency coveralls to v3.0.1 (#630)

This Pull Request updates dependency [coveralls](https://github.com/nickmerwin/node-coveralls) from `v3.0.0` to `v3.0.1`



<details>
<summary>Release Notes</summary>

### [`v3.0.1`](https://github.com/nickmerwin/node-coveralls/releases/3.0.1)
[Compare Source](nickmerwin/node-coveralls@2ed4d09...3.0.1)
* Buildkite (@&#8203;tjdavey)
* Semaphore (@&#8203;bionikspoon)

Maintenance:
* added license (@&#8203;honzajavorek)

---

</details>




---

This PR has been generated by [Renovate Bot](https://renovatebot.com).

package.json

@@ -46,7 +46,7 @@
   },
   "devDependencies": {
     "blanket": "1.2.3",
-    "coveralls": "3.0.0",
+    "coveralls": "3.0.1",
     "delay": "2.0.0",
     "eslint": "4.9.0",
     "expect.js": "0.3.1",

yarn.lock

@@ -367,9 +367,9 @@ core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
 
-coveralls@3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-3.0.0.tgz#22ef730330538080d29b8c151dc9146afde88a99"
+coveralls@3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-3.0.1.tgz#12e15914eaa29204e56869a5ece7b9e1492d2ae2"
   dependencies:
     js-yaml "^3.6.1"
     lcov-parse "^0.0.10"