Update mypy requirement from ~=1.11 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@v1.11...v1.14.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements-test.txt

@@ -4,7 +4,7 @@ asynctest~=0.13
 colorlog~=6.8
 flake8~=7.1
 flake8-docstrings~=1.7
-mypy~=1.11
+mypy~=1.14
 pylint~=3.3
 pylint-strict-informational==0.1
 pytest>=7.2