Schedule to 1am and use new build-push action.

.gitea/workflows/release.yml

@@ -5,7 +5,7 @@ on:
     branches: [ master ]
   schedule:
     # Run every Sunday at midnight
-    - cron: '0 0 * * 0'
+    - cron: '1 0 * * 0'
 
 env:
   IMAGE: /home/power-consumption
@@ -49,7 +49,7 @@ jobs:
           images: ${{ secrets.REGISTRY_URL }}${{ env.IMAGE }}
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v6
         env:
           ACTIONS_RUNTIME_TOKEN: ''
         with: