Bump attribution from 1.5.2 to 1.6.2

[dependabot[bot]]

Bumps attribution from 1.5.2 to 1.6.2.

Changelog

Sourced from attribution's changelog.

v1.6.2

Bugfix release

• New: log command now accepts a version argument
• Fix: experimental ignored_authors now uses --perl-regexp
• Docs: clarified USE_LIBPCRE support for ignored authors

$ git shortlog -s v1.6.1...v1.6.2
     3  Amethyst Reese

v1.6.1

Bugfix release

• Fix: don't pass --invert-grep if no ignored authors
• New: load tags for debug command
• Docs: mark ignored_authors as experimental

$ git shortlog -s v1.6.0...v1.6.1
     6  Amethyst Reese

v1.6.0

Feature release

• Mark generated shortlogs as plaintext to reduce warnings (#107)
• Add "generated by attribution" badge to generated changelogs (#109)
• Add "generated by attribution" docstring to generated version files (#109)
• New ignored_authors configuration option (#117)
• New log command to list revisions since last tag (#118)
• New debug command to dump project configuration (#117)
• Documented all supported commands (#122)
• Dropped support for Python 3.6; added support for Python 3.10

$ git shortlog -s v1.5.2...v1.6.0
    28  Amethyst Reese
     6  John Reese
     5  Samuel Giffard
    48  dependabot[bot]
</tr></table> 

... (truncated)

Commits

• f797215 Version bump v1.6.2
• 3984bd9 Reenable ignored authors
• 37c19bd Reimplement ignored_authors using --perl-regexp
• 062473e Version bump v1.6.1
• bb6a4d7 Don't pass --invert-grep if no ignored authors
• c961086 Mark ignored_authors as experimental until solution is found for git 2.35+
• a149d8d Unignore authors until alternative is found
• c0d247b Don't pass flag if no ignored authors
• a071b77 Load tags for debug command
• 97657c5 Version bump v1.6.0
• Additional commits viewable in compare view

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