Add arm64 platforms for docker image release

Author: rounakdatta

.github/workflows/release.yml

@@ -24,7 +24,7 @@ jobs:
       with:
         context: .
         file: ./Dockerfile
-        platforms: linux/amd64
+        platforms: linux/amd64,linux/arm/v7,linux/arm64
         push: false
         tags: |
           ${{ steps.docker_meta_ci.outputs.tags }}
@@ -96,7 +96,7 @@ jobs:
       with:
         context: .
         file: ./Dockerfile
-        platforms: linux/amd64
+        platforms: linux/amd64,linux/arm/v7,linux/arm64
         push: ${{ github.event_name != 'pull_request' }}
         tags: |
           ${{ steps.docker_meta.outputs.tags }}