CI: use remote docker build host

.github/workflows/publish-image.yml

@@ -40,9 +40,6 @@ jobs:
             -   name: Check out the repo
                 uses: actions/checkout@v4
     
-            -   name: Set up Docker Buildx
-                uses: docker/setup-buildx-action@v3
-    
             # Will automatically make nice tags, see the table here https://github.com/docker/metadata-action#basic
             -   name: Docker meta
                 id: meta
@@ -55,13 +52,6 @@ jobs:
                         type=ref,event=tag
                         ${{ inputs.tags }}
     
-            -   name: Login to GitHub Container Registry
-                uses: docker/login-action@v2
-                with:
-                    registry: ghcr.io
-                    username: ${{ github.actor }}
-                    password: ${{ secrets.GITHUB_TOKEN }}
-    
             -   name: Add SHORT_SHA env property with commit short sha
                 run: echo "SHORT_SHA=`echo ${GITHUB_SHA} | cut -c1-8`" >> $GITHUB_ENV
 
@@ -73,6 +63,17 @@ jobs:
                     echo "ref_type: $REF_TYPE"
                     echo "ref_name: $REF_NAME"
     
+            -   name: Setup repo
+                uses: blockscout/actions/.github/actions/setup-multiarch-buildx@no-metadata
+                id: setup
+                with:
+                    docker-image: ghcr.io/blockscout/frontend
+                    docker-username: ${{ github.actor }}
+                    docker-password: ${{ secrets.GITHUB_TOKEN }}
+                    docker-remote-multi-platform: true
+                    docker-arm-host: ${{ secrets.ARM_RUNNER_HOSTNAME }}
+                    docker-arm-host-key: ${{ secrets.ARM_RUNNER_KEY }}
+
             -   name: Build and push
                 uses: docker/build-push-action@v5
                 with: