ci: update metrics.yml (#2840)

* Increase binary diff size

* Update

Author: buenaflor

metrics/metrics-ios.yml

@@ -11,4 +11,4 @@ startupTimeTest:
 
 binarySizeTest:
   diffMin: 1400 KiB
-  diffMax: 1600 KiB
+  diffMax: 1800 KiB