Bump gitpython from 3.1.27 to 3.1.28

[dependabot[bot]]

Bumps gitpython from 3.1.27 to 3.1.28.

Commits

• b6d9264 bump version to 3.1.28
• 5e3a1dc prepare changelog
• 0d28eaa Merge pull request #1497 from dwapstra/git_diff_empty
• 41003c5 Ignore empty info in diff line
• b27c41a Merge pull request #1491 from langfield/main
• db392ae Fix bug where colons in paths raise a ValueError on diff() calls.
• bec6157 Merge pull request #1485 from thehale/blame/rev-opts
• 18a79d8 feat(blame): Support custom rev_opts for blame
• 73bde1f Merge branch 'add-co-authors'
• 72cf71c Allow failure of that one test on cygwin
• Additional commits viewable in compare view

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Unit Test Results

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Results for commit b8c9f1b3.

[dependabot[bot]]

Superseded by #734.