chore(deps): bump packaging from 26.2 to 26.3 in /python

Bumps [packaging](https://github.com/pypa/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
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

python/requirements.txt

@@ -16,7 +16,7 @@ multiformats==0.3.1.post4
     #   py-ipld-dag-pb-test (pyproject.toml)
 multiformats-config==0.3.1
     # via multiformats
-packaging==26.2
+packaging==26.3
     # via pytest
 pluggy==1.6.0
     # via pytest