fix: use github.actor instead of repo owner in build (#112)

.github/workflows/release.yaml

@@ -56,7 +56,7 @@ jobs:
         if: github.event_name != 'pull_request'
         with:
           registry: ghcr.io
-          username: ${{ github.repository_owner }}
+          username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push