Bump ruff from 0.6.2 to 0.6.3 (pyca#11508)

Bumps [ruff](https://github.com/astral-sh/ruff) from 0.6.2 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@0.6.2...0.6.3)

---
updated-dependencies:
- dependency-name: ruff
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

ci-constraints-requirements.txt

@@ -105,7 +105,7 @@ readme-renderer==43.0
     # via cryptography (pyproject.toml)
 requests==2.32.3
     # via sphinx
-ruff==0.6.2
+ruff==0.6.3
     # via cryptography (pyproject.toml)
 snowballstemmer==2.2.0
     # via sphinx