Don't cache pip install as it is slower

.github/workflows/pull_request_checks.yml

@@ -50,19 +50,12 @@ jobs:
       contents: read
       pull-requests: write
     steps:
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
           python-version: "3.x"
-      - name: Get week number for cache
-        id: week
-        run: echo "week=$(date '+W%V')" >> $GITHUB_OUTPUT
-      - uses: actions/cache@v3
-        with:
-          key: coverage-report|${{ env.pythonLocation }}|${{ steps.week.outputs.week }}
-          path: ~/.cache/pip
       - name: Install coverage
         run: python3 -m pip install coverage
-      - uses: actions/checkout@v4
       - uses: actions/download-artifact@v4
         with:
           pattern: coverage-data-*
@@ -90,6 +83,7 @@ jobs:
   pre-commit:
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
@@ -100,7 +94,6 @@ jobs:
           path: ~/.cache/pre-commit
       - name: Set up pre-commit
         run: python3 -m pip install pre-commit
-      - uses: actions/checkout@v4
       - name: Run pre-commit
         run: pre-commit run --show-diff-on-failure --color=always --all-files