[iOS] Bump deployment target to 12.1 (from 10.0) due to Flipper requirement

Author: brunolemos

packages/mobile/ios/Podfile

@@ -3,7 +3,7 @@ load 'remove_unsupported_libraries.rb'
 require_relative '../../../node_modules/react-native/scripts/react_native_pods'
 require_relative '../../../node_modules/@react-native-community/cli-platform-ios/native_modules'
 
-platform :ios, '10.0'
+platform :ios, '12.1'
 
 target 'devhub' do
   config = use_native_modules!

packages/mobile/ios/devhub.xcodeproj/project.pbxproj

@@ -411,7 +411,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.1;
 				LD_RUNPATH_SEARCH_PATHS = (
 					/usr/lib/swift,
 					"$(inherited)",
@@ -468,7 +468,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.1;
 				LD_RUNPATH_SEARCH_PATHS = (
 					/usr/lib/swift,
 					"$(inherited)",