CI: Checking in f-strings we use {repr(...)} instead of {...!r}
- [x] ref #29886
- [x] tests added / passed
- [x] passes `black pandas`
- [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [ ] whatsnew entry

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Can merge only after merging:

- [x] #29948 

- [x] #29950

- [x] #29953 

- [x] #29959

- [x] #29963
