Fix image in docker description update

Author: SuperSandro2000

.github/workflows/docker-description.yml

@@ -15,4 +15,4 @@ jobs:
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
-          repository: peterevans/dockerhub-description
+          repository: factoriotools/factorio