[TIMOB-18249] Update ticker version

Author: vishalduggal

iphone/SConstruct

@@ -5,7 +5,7 @@
 import os,platform,sys,urllib,gzip,glob
 from progressbar import ProgressBar
 
-ticore_version = '21'
+ticore_version = '23'
 
 # NOTE: this is simply a pre-built version of the source at http://github.com/appcelerator/tijscore
 # since this is so freaking complicated to setup and build in an stable environment, and since