Bump mypy from 1.14.1 to 1.15.0 (#508)

Bumps [mypy](https://github.com/python/mypy) from 1.14.1 to 1.15.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.14.1...v1.15.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

dev-requirements.txt

@@ -15,7 +15,7 @@ freezegun==1.5.1
 fsspec
 gspread
 ipdb
-mypy==1.14.1
+mypy==1.15.0
 openpyxl
 pip-tools
 pre-commit