Bump the llvm-docs-requirements group in /llvm/docs with 11 updates (#2924)

---
updated-dependencies:
- dependency-name: sphinx-automodapi
  dependency-version: 0.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: llvm-docs-requirements
- dependency-name: sphinx-reredirects
  dependency-version: 0.1.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: llvm-docs-requirements
- dependency-name: babel
  dependency-version: 2.17.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: llvm-docs-requirements
- dependency-name: beautifulsoup4
  dependency-version: 4.13.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: llvm-docs-requirements
- dependency-name: certifi
  dependency-version: 2025.6.15
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: llvm-docs-requirements
- dependency-name: charset-normalizer
  dependency-version: 3.4.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: llvm-docs-requirements
- dependency-name: markdown
  dependency-version: 3.8.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: llvm-docs-requirements
- dependency-name: packaging
  dependency-version: '25.0'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: llvm-docs-requirements
- dependency-name: pygments
  dependency-version: 2.19.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: llvm-docs-requirements
- dependency-name: snowballstemmer
  dependency-version: 3.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: llvm-docs-requirements
- dependency-name: soupsieve
  dependency-version: '2.7'
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: llvm-docs-requirements
...

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