Bump packaging from 26.2 to 26.3 in the all-deps group

Bumps the all-deps group with 1 update: [packaging](https://github.com/pypa/packaging).


Updates `packaging` from 26.2 to 26.3
- [Release notes](https://github.com/pypa/packaging/releases)
- [Changelog](https://github.com/pypa/packaging/blob/main/CHANGELOG.rst)
- [Commits](pypa/packaging@26.2...26.3)

---
updated-dependencies:
- dependency-name: packaging
  dependency-version: '26.3'
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all-deps
...

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Author: dependabot[bot]