Update verify checksum log

Author: socheatsok78

action.sh

@@ -91,7 +91,7 @@ if [ ! -d "${FLUTTER_RUNNER_TOOL_CACHE}" ]; then
 	DOWNLOAD_PATH="${RUNNER_TEMP}/${FLUTTER_BUILD}"
 	if curl --connect-timeout 15 --retry 5 "$FLUTTER_DOWNLOAD_URL" > ${DOWNLOAD_PATH};
 	then
-		echo -n "Verifying checksum..."
+		echo -n "Verifying checksum "
 		if [[ $OS == "linux" ]]
 		then
 			echo "${FLUTTER_RELEASE_SHA256} ${DOWNLOAD_PATH}" | sha256sum -c -