Revert "Update docker.yml"

This reverts commit e43a3ae.

Author: rdementi

.github/workflows/docker.yml

@@ -54,7 +54,7 @@ jobs:
         uses: docker/login-action@e92390c5fb421da1463c202d546fed0ec5c39f20
         with:
           registry: ghcr.io
-          username: ${{ github.repository_owner }}
+          username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push