[Enhancement] Update flake8 checking config in setup.cfg

[LeoXing1996]

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Motivation

Update setup.cfg for new configs. Refers to MMPretrain.

Modification

Please briefly describe what modification is made in this PR.

BC-breaking (Optional)

Does the modification introduce changes that break the backward-compatibility of the downstream repositories?
If so, please describe how it breaks the compatibility and how the downstream projects should modify their code to keep compatibility with this PR.

Use cases (Optional)

If this PR introduces a new feature, it is better to list some use cases here, and update the documentation.

Checklist

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Before PR:

• I have read and followed the workflow indicated in the CONTRIBUTING.md to create this PR.
• Pre-commit or linting tools indicated in CONTRIBUTING.md are used to fix the potential lint issues.
• Bug fixes are covered by unit tests, the case that causes the bug should be added in the unit tests.
• New functionalities are covered by complete unit tests. If not, please add more unit test to ensure the correctness.
• The documentation has been modified accordingly, including docstring or example tutorials.

After PR:

• If the modification has potential influence on downstream or other related projects, this PR should be tested with some of those projects.
• CLA has been signed and all committers have signed the CLA in this PR.

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (86c2fd1) 80.73% compared to head (b0ac9e6) 80.73%.
Report is 1 commits behind head on main.

❗ Current head b0ac9e6 differs from pull request most recent head 2b2fbe8. Consider uploading reports for the commit 2b2fbe8 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2007   +/-   ##
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  Coverage   80.73%   80.73%           
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  Files         424      424           
  Lines       29109    29109           
  Branches     4502     4502           
=======================================
  Hits        23502    23502           
  Misses       4630     4630           
  Partials      977      977           

Flag	Coverage Δ
unittests	80.73% <ø> (ø)

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[liuwenran]

nice