Update doxygen.yml

Author: kakopappa

.github/workflows/doxygen.yml

@@ -36,7 +36,8 @@ jobs:
         run: |
           git add .
           git commit -m "Update Doxygen documentation" || echo "No changes to commit"
-        
+          git pull --rebase origin master
+      
       - name: Push changes
         uses: ad-m/github-push-action@master
         with: