Update playwright.yml

Author: kjaymiller

.github/workflows/playwright.yml

@@ -21,7 +21,7 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: "3.13"
-          cache: 'pip'
+          cache: "pip"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip