chore(deps): bump the python group in /assets with 3 updates

Bumps the python group in /assets with 3 updates: [ruff](https://github.com/astral-sh/ruff), [mkdocs](https://github.com/mkdocs/mkdocs) and [mkdocs-material](https://github.com/squidfunk/mkdocs-material).


Updates `ruff` from 0.5.5 to 0.6.3
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.5.5...0.6.3)

Updates `mkdocs` from 1.6.0 to 1.6.1
- [Release notes](https://github.com/mkdocs/mkdocs/releases)
- [Commits](mkdocs/mkdocs@1.6.0...1.6.1)

Updates `mkdocs-material` from 9.5.30 to 9.5.34
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](squidfunk/mkdocs-material@9.5.30...9.5.34)

---
updated-dependencies:
- dependency-name: ruff
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: python
- dependency-name: mkdocs
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python
- dependency-name: mkdocs-material
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python
...

Signed-off-by: dependabot[bot] <[email protected]>

assets/chezmoi.io/requirements.txt

@@ -1,3 +1,3 @@
-mkdocs==1.6.0
-mkdocs-material==9.5.30
+mkdocs==1.6.1
+mkdocs-material==9.5.34
 mkdocs-mermaid2-plugin==1.1.1

assets/requirements.dev.txt

@@ -1 +1 @@
-ruff==0.5.5
+ruff==0.6.3