Fixings fstrings in pandas/io/stata.py & pandas/io/sql.py
- [x] ref #29547
- [x] tests added / passed
- [x] passes `black pandas`
- [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [ ] whatsnew entry

Thanks for the PR! CI failure is unrelated a few comments on first glance This is going to produce a lot of conflicts with #30285  While the changes here look cool, I think we should close this PR, and leave the changes here to #30285 (and a follow up of if needed). agreed with @datapythonista.  Will revisit after #30285.  Closing.