Update actions/cache action to v5

Author: renovate[bot]

.github/workflows/deploy.yml

@@ -23,7 +23,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Cache Docker layers
-        uses: actions/cache@v2
+        uses: actions/cache@v5
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-buildx-${{ github.sha }}