Update coveralls to version 2.11.7 🚀

[greenkeeperio-bot]

Hello 👋

🚀🚀🚀

coveralls just published its new version 2.11.7, which is not covered by your current version range.

If this pull request passes your tests you can publish your software with the latest version of coveralls – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging 🌴

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The new version differs by 1 commits .

• c931ed6 added gitlab-ci support

See the full diff.

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[codecov-io]

Current coverage is 86.84%

Merging #5 into master will not affect coverage as of 1a0ed58

@@            master      #5   diff @@
======================================
  Files           22      22       
  Stmts          722     722       
  Branches         0       0       
  Methods          0       0       
======================================
  Hit            627     627       
  Partial          0       0       
  Missed          95      95       

Review entire Coverage Diff as of 1a0ed58

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