workflows: open-code pre-commit check

The pre-commit action is in maintenance mode, and is easily replicated.

Signed-off-by: Benjamin Gilbert <bgilbert@cs.cmu.edu>

Author: bgilbert

.github/workflows/python.yml

@@ -27,8 +27,15 @@ jobs:
       uses: actions/setup-python@v6
       with:
         python-version: '3.13'
+    - name: Install dependencies
+      run: python -m pip install pre-commit
+    - name: Cache pre-commit environments
+      uses: actions/cache@v4
+      with:
+        path: ~/.cache/pre-commit
+        key: pre-commit|${{ env.pythonLocation }}|${{ hashFiles('.pre-commit-config.yaml') }}
     - name: Run pre-commit hooks
-      uses: pre-commit/action@v3.0.1
+      run: pre-commit run -a --show-diff-on-failure --color=always
     - name: Define artifact paths
       id: paths
       run: |