chore(ci): add pip caching to quality workflow

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: johnmarktaylor91

.github/workflows/quality.yml

@@ -21,6 +21,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11"
+          cache: "pip"
 
       - name: Install dependencies
         run: |
@@ -39,6 +40,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11"
+          cache: "pip"
 
       - name: Install dependencies
         run: |