chore(ci): log disk usage and add aggressive docker system volume prune

.gitea/workflows/deploy.yml

@@ -43,9 +43,16 @@ jobs:
       - name: 🧹 Maintenance (High Density Cleanup)
         shell: bash
         run: |
+          echo "=== Docker Disk Usage ==="
+          docker system df || true
+          df -h || true
           echo "Purging old build layers and dangling images..."
-          docker system prune -a -f
+          docker system prune -a --volumes -f
           docker builder prune -a -f
+          docker volume prune -f
+          echo "=== Docker Disk Usage After Prune ==="
+          docker system df || true
+          df -h || true
 
       - name: Checkout repository
         uses: actions/checkout@v4