Bump pytz from 2022.6 to 2022.7.1

Bumps [pytz](https://github.com/stub42/pytz) from 2022.6 to 2022.7.1.
- [Release notes](https://github.com/stub42/pytz/releases)
- [Commits](stub42/pytz@release_2022.6...release_2022.7.1)

---
updated-dependencies:
- dependency-name: pytz
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -12,7 +12,7 @@ gitdb==4.0.10
     # via gitpython
 gitpython==3.1.30
     # via django-migration-fixer (setup.py)
-pytz==2022.6
+pytz==2022.7.1
     # via django
 smmap==5.0.0
     # via gitdb