Update docr.yml

Author: RaniAgus

.github/workflows/docr.yml

@@ -33,6 +33,9 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Install doctl
         uses: digitalocean/action-doctl@v2
         with:
@@ -56,4 +59,6 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max