docs: fix incorrect sample code

Author: kenjis

user_guide_src/source/libraries/time/024.php

@@ -2,5 +2,5 @@
 
 use CodeIgniter\I18n\Time;
 
-echo Time::now()->getLocal();    // true
-echo Time::now('Europe/London'); // false
+echo Time::now()->getLocal();           // true
+echo Time::now('Europe/London')->local; // false