iga: try fix for commit action

Author: tmorrell

.github/workflows/iga.yaml

@@ -44,6 +44,7 @@ jobs:
         with:
           message: 'Add CITATION.cff for release'
           add: "['CITATION.cff']"
+          push: origin HEAD:main
   run_iga:
     name: "Send to ${{needs.get_repository.outputs.server}}"
     runs-on: ubuntu-latest