build: setup qemu and buildx

Signed-off-by: Christian Kotzbauer <christian.kotzbauer@gmail.com>

Author: ckotzbauer

.github/workflows/test.yml

@@ -19,6 +19,17 @@ jobs:
         with:
           go-version: 1.16
 
+      - name: Set up QEMU
+        id: qemu
+        uses: docker/setup-qemu-action@v1
+        with:
+          image: tonistiigi/binfmt:latest
+          platforms: all
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+
       - name: Install GoReleaser
         uses: goreleaser/goreleaser-action@v2
         with: