Bump tzlocal from 4.1 to 5.0.1

Bumps [tzlocal](https://github.com/regebro/tzlocal) from 4.1 to 5.0.1.
- [Changelog](https://github.com/regebro/tzlocal/blob/master/CHANGES.txt)
- [Commits](regebro/tzlocal@4.1...5.0.1)

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

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

Author: dependabot[bot]

requirements.txt

@@ -10,7 +10,7 @@ GitPython==3.1.31
 xmltodict==0.13.0
 lxml==4.9.2
 pytz==2023.3
-tzlocal==4.1
+tzlocal==5.0.1
 markdown2==2.4.8
 flask-migrate==3.1.0
 flask-script==2.0.6