Bump coveralls from 3.0.5 to 3.0.6

Bumps [coveralls](https://github.com/nickmerwin/node-coveralls) from 3.0.5 to 3.0.6.
- [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>

yarn.lock

@@ -862,9 +862,9 @@ core-util-is@1.0.2, core-util-is@~1.0.0:
   integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
 
 coveralls@^3.0.4:
-  version "3.0.5"
-  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-3.0.5.tgz#28d7274c6c9827aa85537eab82d66e7e62d0d527"
-  integrity sha512-/KD7PGfZv/tjKB6LoW97jzIgFqem0Tu9tZL9/iwBnBd8zkIZp7vT1ZSHNvnr0GSQMV/LTMxUstWg8WcDDUVQKg==
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-3.0.6.tgz#5c63b2759b6781118e7439bd870ba5e9ee428b25"
+  integrity sha512-Pgh4v3gCI4T/9VijVrm8Ym5v0OgjvGLKj3zTUwkvsCiwqae/p6VLzpsFNjQS2i6ewV7ef+DjFJ5TSKxYt/mCrA==
   dependencies:
     growl "~> 1.10.0"
     js-yaml "^3.13.1"