Update RNSensorsAnalyticsModule.podspec

Author: yaoyue

RNSensorsAnalyticsModule.podspec

@@ -9,11 +9,11 @@ Pod::Spec.new do |s|
   s.homepage     = "http://www.sensorsdata.cn"
   s.license      = { :type => "Apache License, Version 2.0" }
   s.author       = { "YuGuo Chen" => "[email protected]" }
-  s.platform     = :ios, "8.0"
+  s.platform     = :ios, "9.0"
   s.source       = { :git => "https://github.com/sensorsdata/react-native-sensors-analytics.git", :tag => "v#{s.version}" }
   s.source_files = "ios/*.{h,m}"
   s.requires_arc = true
   s.dependency   "React"
-  s.dependency   "SensorsAnalyticsSDK", ">= 4.4.6"
+  s.dependency   "SensorsAnalyticsSDK", ">= 4.9.0"
 
 end