Update release.yml to use github.actor in release.yml.

Author: Layoric

.github/workflows/release.yml

@@ -63,7 +63,7 @@ jobs:
         uses: docker/login-action@v1
         with:
           registry: ghcr.io
-          username: ${{ github.repository_owner }}
+          username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       # Build and push new docker image, skip for manual redeploy other than 'latest'