chore(deps): update dependency nodegit to v0.22.2

[renovate]

This Pull Request updates dependency nodegit from v0.22.1 to v0.22.2

Release Notes

v0.22.2

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Summary of changes

• Bumped libgit2 to 0.27.3 to incorporate security patch. Details can be found here https://github.com/libgit2/libgit2/releases/tag/v0.27.3
• Also includes changes made in 0.27.2. Details can be found here https://github.com/libgit2/libgit2/releases/tag/v0.27.2
• Ensure optional params are respected as optional in NodeGit.Merge.trees

Merged PRs into NodeGit

• Fix argument handling in Git.Merge.trees #​1507

Included non-merged libgit2 PRs:

• Parallelize checkout_create_the_new for ntfs perf gains #​4205
• negotiate always fails via libcurl #​4126

Included merged libgit2 PRs:

• Bugfix release v0.27.2 #​4632
• Release v0.27.3 #​4717

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This PR has been generated by Renovate Bot.

[coveralls]

Coverage remained the same at 90.35% when pulling a6f49c7 on renovate/nodegit-0.x into bc3cf8b on master.