chore: prepare for 0.15.3

Co-authored-by: Andrew Farmer <andrew@javascriptstuff.com>

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ### next
 
+### 0.15.3
+
+* Fix crash on iOS: prevent insertion of nil values in the dictionary (https://github.com/rebeccahughes/react-native-device-info/pull/328)
+
 ### 0.15.2
 
 * Fix crash on `getFreeDiskStorage` and `getTotalDiskCapacity` from invalid filesystem path (https://github.com/rebeccahughes/react-native-device-info/issues/320)

RNDeviceInfo.podspec

 Pod::Spec.new do |s|
   s.name         = "RNDeviceInfo"
-  s.version      = "0.15.2"
+  s.version      = "0.15.3"
   s.summary      = "Device Information for react-native"
 
   s.homepage     = "https://github.com/rebeccahughes/react-native-device-info"