Merge pull request #16 from aaulthudl/master

fix: xcode 12 compatibility

Author: doomsower

react-native-startup-time.podspec

@@ -14,5 +14,5 @@ Pod::Spec.new do |s|
   s.platform     = :ios, "9.0"
   s.source_files = "ios/**/*.{h,m}"
 
-  s.dependency 'React'
+  s.dependency 'React-Core'
 end