Merge pull request #3081 from VWS-Python/dependabot/pip/mypy-1.20.0

Bump mypy from 1.19.1 to 1.20.0

Author: adamtheturtle

pyproject.toml

@@ -65,7 +65,7 @@ optional-dependencies.dev = [
     "freezegun==1.5.5",
     "furo==2025.12.19",
     "interrogate==1.7.0",
-    "mypy[faster-cache]==1.19.1",
+    "mypy[faster-cache]==1.20.0",
     "mypy-strict-kwargs==2026.1.12",
     "prek==0.3.8",
     "pydocstringformatter==0.7.5",