Added multi arch build step (#130)

Author: RodrigoPrestes

.github/workflows/build.yml

@@ -10,6 +10,12 @@ jobs:
     name: Publish Docker Container
     runs-on: ubuntu-latest
     steps:
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
       -
         name: Login to GitHub Container Registry
         uses: docker/login-action@v1
@@ -19,7 +25,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
       -
         name: Build and push server
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v6
         with:
           tags: ghcr.io/subdavis/kobodl:latest
           push: true