Bump packaging in /third_party in the pip-dependencies group

Bumps the pip-dependencies group in /third_party with 1 update: [packaging](https://github.com/pypa/packaging).


Updates `packaging` from 24.2 to 25.0
- [Release notes](https://github.com/pypa/packaging/releases)
- [Changelog](https://github.com/pypa/packaging/blob/main/CHANGELOG.rst)
- [Commits](pypa/packaging@24.2...25.0)

---
updated-dependencies:
- dependency-name: packaging
  dependency-version: '25.0'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: pip-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

third_party/requirements.txt

@@ -5,7 +5,7 @@ black==24.3.0
 clang-format==15.0.7
 cmake-format==0.6.13
 # Tests
-packaging==24.2
+packaging==25.0
 # Generating HTML documentation
 pygments==2.19.1
 sphinxcontrib_applehelp==2.0.0