STYLE fix PDF026 issues from pandas-dev-flaker

[MarcoGorelli]

task is:

1. bump version of pandas-dev-flaker in

   pandas/.pre-commit-config.yaml

   Line 53 in c3ab0c9

   - pandas-dev-flaker==0.4.0

   to 0.5.0
2. update pandas-dev-flaker: pip install -U pandas-dev-flaker
3. run flake8 pandas --select PDF026
4. fix any issues that are highlighted by flake8
5. run flake8 pandas and add any new codes to

   pandas/setup.cfg

   Line 76 in c3ab0c9

   ignore =