[CI] fix flake8 C419

[CheyuWu]

Why are these changes needed?

While running the pre-commit hook of flake8, the following error occurs if Python version is 3.12. It's because the version of flake8 is too old.

Related issue number

Closes #48079

Checks

• I've signed off every commit(by using the -s flag, i.e., git commit -s) in this PR.
• I've run scripts/format.sh to lint the changes in this PR.
• I've included any doc changes needed for https://docs.ray.io/en/master/.
  • I've added any new APIs to the API Reference. For example, if I added a
    method in Tune, I've added it in doc/source/tune/api/ under the
    corresponding .rst file.
• I've made sure the tests are passing. Note that there might be a few flaky tests, see the recent failures at https://flakey-tests.ray.io/
• Testing Strategy
  • Unit tests
  • Release tests
  • This PR is not tested :(

[CheyuWu]

@MortalHappiness PTAL

[MortalHappiness]

LGTM