remove arm/v6 and arm/v7 due to build failure

Author: brendan-kellam

.github/workflows/ghcr-publish.yml

@@ -25,8 +25,6 @@ jobs:
       matrix:
         platform:
           - linux/amd64
-          - linux/arm/v6
-          - linux/arm/v7
           - linux/arm64
 
     steps: