Bump mypy from 1.18.2 to 1.19.0 (#1440)

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

Author: dependabot[bot]

requirements/test.txt

@@ -2,7 +2,7 @@ pylint==4.0.3
 ruff==0.14.7
 flake8==7.3.0
 isort==7.0.0
-mypy==1.18.2
+mypy==1.19.0
 types-protobuf==6.32.1.20251105
 pytest>=6.2.4,<10
 pytest-asyncio==1.3.0