refactor(resource/version): checkDependency optional print and return

Send 'true' to match old behaviour (print message, return nil).
New behaviour has no output unless sending a third argument.

resource/version/shared.lua

@@ -1,8 +1,14 @@
-function lib.checkDependency(resource, minimumVersion)
+function lib.checkDependency(resource, minimumVersion, printMessage)
 	local currentVersion = GetResourceMetadata(resource, 'version', 0):match('%d%.%d+%.%d+')
 
 	if currentVersion < minimumVersion then
-		return print(("^1%s requires version '%s' of '%s' (current version: %s)^0"):format(GetInvokingResource() or GetCurrentResourceName(), minimumVersion, resource, currentVersion))
+		local msg = ("^1%s requires version '%s' of '%s' (current version: %s)^0"):format(GetInvokingResource() or GetCurrentResourceName(), minimumVersion, resource, currentVersion)
+
+		if printMessage then
+			return print(msg)
+		end
+
+		return false, msg
 	end
 
 	return true