remove armv8

Author: dushixiang

.github/workflows/docker.yml

@@ -31,7 +31,7 @@ jobs:
         uses: docker/build-push-action@v2.7.0
         with:
           context: .
-          platforms: linux/arm64,linux/arm/v8,linux/amd64
+          platforms: linux/arm64,linux/amd64
           file: Dockerfile
           push: true
           tags: |