Bump coveralls from 3.0.6 to 3.0.7 (#332)

Bumps [coveralls](https://github.com/nickmerwin/node-coveralls) from 3.0.6 to 3.0.7.
- [Release notes](https://github.com/nickmerwin/node-coveralls/releases)
- [Commits](https://github.com/nickmerwin/node-coveralls/commits)

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

package.json

@@ -40,7 +40,7 @@
     "sri-toolbox": "^0.2.0"
   },
   "devDependencies": {
-    "coveralls": "^3.0.6",
+    "coveralls": "^3.0.7",
     "eslint": "^6.5.1",
     "glob": "^7.1.4",
     "mocha": "^6.2.1",