adjust only .tx/config automatically

Author: jef-n

.github/workflows/tx_push.yml

@@ -43,10 +43,7 @@ jobs:
           git config --global user.name 'Transifex update'
           git config --global user.email '[email protected]'
           git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}
-          if [[ -n $(git status -s) ]]
-          then
-            git add .
-            git commit -m "Adjust .tx/config"
+          if git add .tx/config && git commit -m "Adjust .tx/config"; then
             git push
           else
             echo ".tx/config unchanged"