Update update_readme.yml

.github/workflows/update_readme.yml

@@ -22,7 +22,7 @@ jobs:
         run: |
           git config --local user.email "[email protected]"
           git config --local user.name "LeeHyungJoo"
-          if [ -n "$(git status --porcelain)" ]; then
+          if [ -n "$(git status --porcelain)" ] then
             git add update_readme.sh
             git add README.md
             git commit -m "Update file count in README [skip ci]" --no-verify