Fix module.csv generation in cron ci (#5586)

.github/workflows/cron-ci.yaml

@@ -101,8 +101,8 @@ jobs:
           [ -f ./_data/whats_left.temp ] && cp ./_data/whats_left.temp ./_data/whats_left_lastrun.temp
           cp ../whats_left.temp ./_data/whats_left.temp
           rm ./_data/whats_left/modules.csv
+          echo -e "modules\n" > ./_data/whats_left/modules.csv
           cat ./_data/whats_left.temp | grep "(entire module)" | cut -d ' ' -f 1 | sort >> ./_data/whats_left/modules.csv
-
           git add -A
           if git -c user.name="Github Actions" -c user.email="actions@github.com" commit -m "Update what is left results" --author="$GITHUB_ACTOR"; then
             git push