Bump auto-changelog from 2.5.0 to 2.5.1 (#117)

Bumps [auto-changelog](https://github.com/CookPete/auto-changelog) from 2.5.0 to 2.5.1.
- [Changelog](https://github.com/cookpete/auto-changelog/blob/master/CHANGELOG.md)
- [Commits](cookpete/auto-changelog@v2.5.0...v2.5.1)

---
updated-dependencies:
- dependency-name: auto-changelog
  dependency-version: 2.5.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]