[pre-commit.ci] pre-commit autoupdate

[pre-commit-ci]

updates:

• https://github.com/psf/black → https://github.com/psf/black-pre-commit-mirror
• github.com/psf/black-pre-commit-mirror: 24.10.0 → 26.3.1
• github.com/pycqa/isort: 5.13.2 → 9.0.0a3

[github-actions]

📚 Docs Preview: https://pr-557.fastapi-code-generator.pages.dev

[codspeed-hq]

Merging this PR will not alter performance

⚠️ Unknown Walltime execution environment detected

Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.

For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.

✅ 1 untouched benchmark

---

_{Comparing pre-commit-ci-update-config (c819578) with main (88b72cd)}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (88b72cd) to head (c819578).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #557   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           16        16           
  Lines         1117      1117           
  Branches       111       111           
=========================================
  Hits          1117      1117           

Flag	Coverage Δ
unittests	100.00% <ø> (ø)

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