Drop unsupported arm/v7 image publish target

Author: wickedyoda

.github/workflows/build.yml

@@ -227,7 +227,7 @@ jobs:
         with:
           context: .
           file: ./Dockerfile
-          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          platforms: linux/amd64,linux/arm64
           push: true
           build-args: |
             VUE_APP_VERSION=${{ steps.prep.outputs.app_version }}