added git pull

.github/workflows/scenesfrancophones-organizers.yml

@@ -21,6 +21,7 @@ jobs:
       run: |
         git config --local user.email "[email protected]"
         git config --local user.name "GitHub Actions"
+        git pull
         git add "output/organizers.jsonld"
         git commit -m "Add data generated by the script"
         git push