Actaully use the existing generated branch

Author: jstrieb

.github/workflows/main.yml

@@ -25,6 +25,7 @@ jobs:
         git config --global user.name "jstrieb/github-stats"
         git config --global user.email "github-stats[bot]@jstrieb.github.io"
         # Push generated files to the generated branch
+        git pull
         git checkout generated || git checkout -b generated
         git merge master || true