Bump mypy from 1.13.0 to 1.15.0

Bumps [mypy](https://github.com/python/mypy) from 1.13.0 to 1.15.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.13.0...v1.15.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements-tests.txt

@@ -5,7 +5,7 @@ ellar-cli >= 0.3.7
 factory-boy >= 3.3.0
 httpx
 Pillow >=10.4.0, <11.1.0
-mypy == 1.13.0
+mypy == 1.15.0
 pytest >= 7.1.3,< 9.0.0
 pytest-asyncio
 pytest-cov >= 2.12.0,< 7.0.0