ci: reenable ARM build on release

Author: Maciej Wójcik

.github/workflows/release.yml

@@ -23,7 +23,9 @@ jobs:
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}.{{minor}}
             type=sha
-      - name: Set up Docker Buildx
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker BuildX
         uses: docker/setup-buildx-action@v3
         with:
           config-inline: |
@@ -40,7 +42,7 @@ jobs:
         uses: docker/build-push-action@v5
         with:
           context: .
-          platforms: linux/amd64
+          platforms: linux/amd64,linux/arm64
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}