chore(deps-dev): bump mkdocs-gen-files from 0.5.0 to 0.6.1

Bumps [mkdocs-gen-files](https://github.com/oprypin/mkdocs-gen-files) from 0.5.0 to 0.6.1.
- [Release notes](https://github.com/oprypin/mkdocs-gen-files/releases)
- [Commits](oprypin/mkdocs-gen-files@v0.5.0...v0.6.1)

---
updated-dependencies:
- dependency-name: mkdocs-gen-files
  dependency-version: 0.6.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]