feat: add QEMU setup and support for multiple platforms in release workflow (#283)

Author: chrheg

.github/workflows/release.yml

@@ -52,6 +52,8 @@ jobs:
       REGISTRY: ghcr.io
       IMAGE_NAME: ${{ github.repository }}
     steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@c47758b77c9736f4b2ef4073d4d51994fabfe349
       - name: Log in to the Container registry
@@ -72,7 +74,7 @@ jobs:
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ needs.create_release.outputs.full-tag }}
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ needs.create_release.outputs.short-tag }}
-          platforms: linux/amd64
+          platforms: linux/amd64,linux/arm64
           provenance: false
           sbom: false
   create_discussion: