Merge pull request #16 from go-skynet/fix_arm

Drop armv7 builds

.github/workflows/image.yml

@@ -63,7 +63,7 @@ jobs:
           builder: ${{ steps.buildx.outputs.name }}
           context: .
           file: ./Dockerfile
-          platforms: linux/amd64,linux/arm64,linux/arm
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: ${{ steps.prep.outputs.tags }}
       - name: Build PRs