removed a new line at the end

action.yml

@@ -121,7 +121,7 @@ runs:
         { ${DIKTAT_CMD} "${DIKTAT_ARGS[@]}" "${INPUT_PATHS[@]}" | tee diktat.log; } && exit_code=$? || exit_code=$?
         total_lines=$(wc -l diktat.log | cut -d ' ' -f1)
         summary_line_number=$(grep -n 'Summary error count (descending) by rule:' diktat.log | cut -d: -f1)
-        summary_line=$(tail -n $((total_lines - summary_line_number)) diktat.log | sed -e 's/^  //g' | awk '{ printf("%s,", $0) } END { printf "\n" }' | sed -e 's/,$//g')
+        summary_line=$(tail -n $((total_lines - summary_line_number)) diktat.log | sed -e 's/^  //g' | awk '{ printf("%s,", $0) }' | sed -e 's/,$//g')
         echo "summary-line=${summary_line}" >>$GITHUB_OUTPUT
         rm -f diktat.log
         echo "exit-code=${exit_code}" >>$GITHUB_OUTPUT