chore: add caching for pre-commit environments in GitHub Actions workflow

Author: pengqun

.github/workflows/lint.yml

@@ -28,6 +28,13 @@ jobs:
     - name: Install dependencies
       run: uv sync --frozen
 
+    - name: Cache pre-commit environments
+      uses: actions/cache@v4
+      with:
+        path: ~/.cache/pre-commit
+        key: ${{ runner.os }}-pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}
+        restore-keys: ${{ runner.os }}-pre-commit-
+
     - name: Run pre-commit hooks
       run: uv run pre-commit run --all-files