Update actions/cache action to v5

Author: renovate[bot]

.github/workflows/playwright.yml

@@ -41,7 +41,7 @@ jobs:
 
       - name: Set up cache
         id: cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           key: cache/${{github.repository}}/${{github.ref}}
           restore-keys: cache/${{github.repository}}/refs/heads/master