Update coveralls to version 2.11.5 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

coveralls just published its new version 2.11.5, 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 :palm_tree:

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The new version differs by 25 commits .

• 3794d16 version bump
• b9c366a merge conflict
• 1b4d0a0 Merge pull request #85 from addaleax/branch-name-detection
• 652d12f Merge branch 'master' of github.com:nickmerwin/node-coveralls
• d084add merge conflicts
• c375489 Merge pull request #92 from kemitchell/spdx-license
• 13e05b9 Merge pull request #87 from addaleax/fix-bug-86
• d606358 Merge pull request #88 from fracmak/feature/service_pull_request
• 64171bf Merge pull request #108 from daleharvey/80
• 3db021e Merge branch 'pr/111'
• a73e333 Merge branch 'pr/110'
• 62455e6 Merge pull request #76 from jacob-meacham/feature/user-options
• 3eb69a8 Resolve Lodash deprecation warning
• 624352a rm unneeded options, bump node in travis
• b4d5479 Use HEAD to pick up git info

There are 25 commits in total. See the full diff.

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