fix: return github user to actor

.github/workflows/jerigon.yml

@@ -41,7 +41,7 @@ jobs:
         uses: docker/login-action@v2
         with:
           registry: ${{ env.REGISTRY }}
-          username: ${{ github.repository_owner }}
+          username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}        
 
       - name: Set up rust cache