Modernize check.sh script ♻️

Author: KoditkarVedant

.github/scripts/check.sh

@@ -2,7 +2,7 @@
 
 dotnet jb inspectcode Notion.sln -f="Text" --no-build --include="**.cs" -o=".lint/CodeWarningResults.txt"
 
-totalLines=`cat .lint/CodeWarningResults.txt | grep "^.*$" -c`
+totalLines=$(file .lint/CodeWarningResults.txt | nl | wc -l)
 
 if [[ "$totalLines" -gt 1 ]]; then
     echo "There are few linter warnings - please fix them before running the pipeline"