Bump mypy from 1.20.0 to 1.20.1 (#1414)

Bumps [mypy](https://github.com/python/mypy) from 1.20.0 to 1.20.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.20.0...v1.20.1)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.20.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements_lint.txt

@@ -1,5 +1,5 @@
 black==26.3.1
-mypy==1.20.0
+mypy==1.20.1
 pylint==4.0.5
 pylint-strict-informational==0.1
 pre-commit==4.5.1