chore: run type-check git hook only when Python files were chaged and staged

Author: jenstroeger

.pre-commit-config.yaml

@@ -49,6 +49,8 @@ repos:
     name: Check typing annotations
     entry: mypy
     language: python
+    files: ^src/package/|^tests/  # Declare files to run the hook only when necessary.
+    types: [text, python]
     pass_filenames: false
     args: [--config-file, pyproject.toml]