build(deps): bump packaging from 21.3 to 22.0

Bumps [packaging](https://github.com/pypa/packaging) from 21.3 to 22.0.
- [Release notes](https://github.com/pypa/packaging/releases)
- [Changelog](https://github.com/pypa/packaging/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/pypa/packaging/compare/21.3...22.0)

---
updated-dependencies:
- dependency-name: packaging
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements.txt

@@ -46,7 +46,7 @@ mf2py==1.1.2
 mf2util==0.5.1
 mox3==1.1.0
 oauthlib==3.2.2
-packaging==21.3
+packaging==22.0
 pbr==5.11.0
 praw==7.6.1
 prawcore==2.3.0