Bump pytz from 2023.3 to 2023.3.post1 (#388)

Bumps [pytz](https://github.com/stub42/pytz) from 2023.3 to 2023.3.post1.
- [Commits](stub42/pytz@release_2023.3...release_2023.3.post1)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -22,7 +22,7 @@ packaging==23.1
 psycopg2-binary==2.9.7
 pycparser==2.21
 python-dateutil==2.8.2
-pytz==2023.3
+pytz==2023.3.post1
 requests==2.31.0
 six==1.16.0
 SQLAlchemy==2.0.21