rn: raise version to 19.3

android/gradle.properties

 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
 
-appVersion=19.2.0
+appVersion=19.3.0
 sdkVersion=2.2.1

ios/app/src/Info.plist

 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>19.2.0</string>
+	<string>19.3.0</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleURLTypes</key>

ios/app/watchos/app/Info.plist

 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>19.2.0</string>
+	<string>19.3.0</string>
 	<key>CFBundleVersion</key>
 	<string>1</string>
 	<key>UISupportedInterfaceOrientations</key>

ios/app/watchos/extension/Info.plist

 	<key>CFBundlePackageType</key>
 	<string>XPC!</string>
 	<key>CFBundleShortVersionString</key>
-	<string>19.2.0</string>
+	<string>19.3.0</string>
 	<key>CFBundleVersion</key>
 	<string>1</string>
 	<key>CLKComplicationPrincipalClass</key>