feat(deps): bump pytz from 2022.1 to 2022.2.1

Bumps [pytz](https://github.com/stub42/pytz) from 2022.1 to 2022.2.1.
- [Release notes](https://github.com/stub42/pytz/releases)
- [Commits](stub42/pytz@release_2022.1...release_2022.2.1)

---
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

@@ -8,5 +8,5 @@ opentelemetry-sdk==1.11.1
 # TODO: get rid of this once there is a release with https://github.com/open-telemetry/opentelemetry-python/pull/2720
 protobuf~=3.13
 pylast==5.0.0
-pytz==2022.1
+pytz==2022.2.1
 requests==2.28.1