Bump pytz from 2022.6 to 2022.7

Bumps [pytz](https://github.com/stub42/pytz) from 2022.6 to 2022.7.
- [Release notes](https://github.com/stub42/pytz/releases)
- [Commits](stub42/pytz@release_2022.6...release_2022.7)

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

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

requirements.txt

@@ -69,7 +69,7 @@ pytest-mock==3.10.0
     # via -r requirements.in
 python-dateutil==2.8.2
     # via croniter
-pytz==2022.6
+pytz==2022.7
     # via -r requirements.in
 redis==4.3.5
     # via -r requirements.in