chore(deps): update dependency mypy to v1.19.0 (#3228)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

requirements-dev.txt

@@ -2,7 +2,7 @@
 -r requirements-test.txt
 -r requirements.txt
 django-stubs[compatible-mypy]==5.2.8
-mypy==1.18.2
+mypy==1.19.0
 PyICU
 translate-toolkit
 types-lxml==2025.11.25