Deps: Bump the python-packages group with 3 updates

---
updated-dependencies:
- dependency-name: furo
  dependency-version: 2025.7.19
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: python-packages
- dependency-name: mypy
  dependency-version: 1.17.0
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: python-packages
- dependency-name: ruff
  dependency-version: 0.12.4
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: python-packages
...

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Author: dependabot[bot]