build(deps): bump pytz from 2022.7.1 to 2023.3.post1 in /tools (#2061)

Bumps [pytz](https://github.com/stub42/pytz) from 2022.7.1 to 2023.3.post1.
- [Commits](stub42/pytz@release_2022.7.1...release_2023.3.post1)

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

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

Author: dependabot[bot]

tools/requirements.txt

@@ -1,6 +1,6 @@
 aiohttp==3.8.4
 async-timeout==4.0.2
-pytz==2022.7.1
+pytz==2023.3.post1
 sentry-sdk==1.16.0
 structlog==23.1.0
 taskcluster==47.1.2