Build: configure timezone for dockered development environment
- [x] closes #46217
- [x] [Tests passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit).
- [ ] Added an entry in the latest `doc/source/whatsnew/vX.X.X.rst` file if fixing a bug or adding a new feature.

This PR sets a timezone for the docker image.

After configuring a timezone, the file `./test_fast.sh` runs without crashing workers and failing tests.
thanks @rendner 