fix: prevent grep from coloring output in check_version function

gh-find-code

@@ -120,7 +120,7 @@ check_version() {
 	local user_version
 	declare -a ver_parts threshold_parts
 	user_version=$(command $tool --version 2>&1 |
-		command grep --extended-regexp --only-matching '[0-9]+(\.[0-9]+)*' |
+		command grep --color=never --extended-regexp --only-matching --regexp='[0-9]+(\.[0-9]+)*' |
 		command sed q)
 
 	IFS='.' read -ra ver_parts <<<"$user_version"