tag containers at organization level

- this is how the new ghcr.io is supposed to be done, as container permissions are separate from repository permissions

.github/workflows/release-build-publish.yml

@@ -112,7 +112,7 @@ jobs:
 
       - name: Push image
         run: |
-          IMAGE_ID=ghcr.io/${{ github.repository }}/${{ matrix.project }}
+          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/${{ matrix.project }}
 
           # Change all uppercase to lowercase
           IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')