🔧 Add cache for pre-commit checks

Author: veit

.github/workflows/pre-commit.yml

@@ -11,4 +11,8 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v3
+    - uses: actions/cache@v3
+      with:
+        path: ~/.cache/pre-commit
+        key: pre-commit|${{ env.pythonLocation }}|${{ hashFiles('.pre-commit-config.yaml') }}
     - uses: pre-commit/[email protected]