ci: run flake8 black on pre commit failure

[onerandomusername]

Always run flake8 and black on pre-commit failure, as long as pre-commit wasn't cancelled or skipped.

[codecov]

Codecov Report

Merging #131 (4b07917) into main (d0d7d78) will not change coverage.
The diff coverage is n/a.

❗ Current head 4b07917 differs from pull request most recent head 763a243. Consider uploading reports for the commit 763a243 to get more accurate results

@@           Coverage Diff           @@
##             main     #131   +/-   ##
=======================================
  Coverage   70.90%   70.90%           
=======================================
  Files          33       33           
  Lines        1619     1619           
  Branches      199      199           
=======================================
  Hits         1148     1148           
  Misses        439      439           
  Partials       32       32           

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[Shivansh-007]

Waiting for the debug file to be removed...

[coveralls]

Pull Request Test Coverage Report for Build 1509595463

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 78.582%

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Totals
Change from base Build 1509593147:	0.0%
Covered Lines:	1629
Relevant Lines:	2073

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💛 - Coveralls