Update ci.yml

Author: petersem

.github/workflows/ci.yml

@@ -30,5 +30,5 @@ jobs:
         with:
           context: .
           push: true
-          platforms: linux/amd64,linux/arm/v7,linux/arm/v6,linux/arm64/v8
+          platforms: linux/amd64,linux/arm64/v8
           tags: petersem/monocker:latest