Update dependency

[marcuswu0814]

Move Git, Bash and SwiftScriptRunner to independen repo.

[codecov-io]

Codecov Report

Merging #13 into master will decrease coverage by 4.09%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master      #13     +/-   ##
=========================================
- Coverage   48.04%   43.94%   -4.1%     
=========================================
  Files          16       13      -3     
  Lines         358      314     -44     
=========================================
- Hits          172      138     -34     
+ Misses        186      176     -10

Impacted Files	Coverage Δ
...edmineBotCore/Command/PostRewriteHookCommand.swift	55.93% <ø> (ø)	⬆️
Sources/RedmineBotCore/API/CommentRequest.swift	4.08% <ø> (ø)	⬆️
...urces/RedmineBotCore/Utility/Path+RedmineBot.swift	13.33% <ø> (ø)	⬆️
...RedmineBotCore/Command/PostCommitHookCommand.swift	61.29% <ø> (ø)	⬆️

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