Update mypy requirement from ~=1.12 to ~=1.14

Updates the requirements on [mypy](https://github.com/python/mypy) to permit the latest version.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.12.0...v1.14.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:production
...

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

requirements-test.txt

@@ -2,7 +2,7 @@
 async-timeout
 asynctest~=0.13
 colorlog~=6.8
-mypy~=1.12
+mypy~=1.14
 pytest>=7.2
 pytest-cov>=3.0
 pytest-homeassistant-custom-component>=0.13