Update nodegit to version 0.13.1 🚀

[greenkeeperio-bot]

Hello 👋

🚀🚀🚀

nodegit just published its new version 0.13.1, 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 nodegit – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging 🌴

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GitHub Release

Added

• Repository#discardLines is now a thing PR #1021

Modified

• Async methods now use a custom threadpool to prevent thread-locking the event loop PR #1019

Bug fixes

• Fix building NodeGit from NPM PR #1026
• Plug a memory leak in RevWalk.fastWalk PR #1030
• Plug a memory leak with Oid PR #1033
• Fixed some underlying libgit2 objects getting freed incorrectly PR #1036

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The new version differs by 20 commits .

• bdf9c68 Bump to 0.13.1
• 092ab50 Merge pull request #1036 from smith-kyle/self-freeing-fix
• a86dc6f Merge pull request #1033 from smith-kyle/string-to-boolean
• 7100d97 If trait is owned and is non-duplicable, don't mark as self freeing
• de21154 Set oid.selfFreeing to true instead of "true"
• c889fea Merge pull request #1030 from smith-kyle/oid-leak
• 7ed0303 Memory management: plugged leak in fastWalk
• 7c2f7ef Merge pull request #1019 from srajko/thread-safety-threadpool
• 1e43fbd Merge pull request #1026 from nodegit/fix-submodules-npm-no-prebuilt
• f98eb12 Merge pull request #1021 from jdgarcia/discard-lines
• 6272470 Fix typo in comment
• d8dcc0f Fix submodules for the "no-prebuilt install from npm" case
• 575ba05 nothing to see here
• 5425d95 Fix typo in CHANGELOG.md
• da0e98d add test for discard lines

There are 20 commits in total. See the full diff.

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