Update karma to version 0.13.11 🚀

[greenkeeperio-bot]

Hello 👋

🚀🚀🚀

karma just published its new version 0.13.11, 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 karma – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging 🌴

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GitHub Release

Bug Fixes

• reporter: preserve base/absolute word in error (b3798df)

Features

• config: add restartOnFileChange option (1082f35)
• reporter: Replace way-too-big memoizee with a trivial solution. (d926fe3)
• reporter: Replace way-too-big memoizee with a trivial solution. (58340b1)
• web-server: add support for custom headers in files served (4301bea)
• web-server: allow injection of custom middleware. (2e963c3), closes #1612

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