feat: update react-native to 0.63.2 and @types/react-native to 0.63.2 (#153)

* feat: update react-native to 0.63.2 and @types/react-native to 0.63.2

Author: abakimatov

template/android/app/build.gradle

@@ -193,6 +193,7 @@ dependencies {
 
     debugImplementation("com.facebook.flipper:flipper-network-plugin:${FLIPPER_VERSION}") {
         exclude group:'com.facebook.flipper'
+        exclude group:'com.squareup.okhttp3', module:'okhttp'
     }
 
     debugImplementation("com.facebook.flipper:flipper-fresco-plugin:${FLIPPER_VERSION}") {