Bump mypy from 1.11.2 to 1.12.0

Bumps [mypy](https://github.com/python/mypy) from 1.11.2 to 1.12.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.11.2...v1.12.0)

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

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

Author: dependabot[bot]

poetry.lock

@@ -26,7 +26,7 @@ backoff = ">=1.8.0"
 docker = "^7.1.0"
 pytest = "^8.3.2"
 pytest-cov = "^5.0.0"
-mypy = "^1.11.1"
+mypy = "^1.12.0"
 pytest-mock = "^3.14.0"
 pytest-sugar = "^1.0.0"
 pytest-datafiles = "^3.0"