update

Author: mjt320

.github/workflows/ci.yml

@@ -34,7 +34,7 @@ jobs:
         git add doc/code_contributions_record.md
         git config --global user.name 'OSIPI'
         git config --global user.email 'OSIPI@users.noreply.github.com'
-        git commit -am "commit code_contributions_record.md"
+        git diff --exit-code || git commit -am "commit code_contributions_record.md"
         git push
 
 #  build: