PLAT-442: trying multi-arch build

Author: mccullya

.github/workflows/release.yaml

@@ -4,6 +4,7 @@ on:
   push: 
     branches:
       - main
+      - PLAT-442
   pull_request:
 jobs:  
   docker_push:
@@ -44,9 +45,9 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           push: true
+          platforms: linux/amd64,linux/arm64
           build-args: |
             STRIMZI_KAFKA_VERSION=${{ matrix.strimzi_kafka_version }}
             AWS_MSK_IAM_AUTH_VERSION=${{ matrix.aws_msk_iam_auth_version }}
           tags: |
-            ${{ secrets.DOCKER_USERNAME }}/oso-strimzi-kafka-operator-iam-auth:0.0.4
-#            ${{ secrets.DOCKER_USERNAME }}/oso-strimzi-kafka-operator-iam-auth:${{ matrix.strimzi_kafka_version }}-aws-${{ matrix.aws_msk_iam_auth_version }}
+            ${{ secrets.DOCKER_USERNAME }}/oso-strimzi-kafka-operator-iam-auth:0.0.5