fix: update iOS deployment target to 13.0 and fix boost checksum issue

- Set minimum iOS version to 13.0 (required by react-native-ldk)
- Add pre_install hook to patch boost podspec to use sourceforge mirror
- Add post_install hook to enforce iOS 13.0 deployment target for all pods
- Fixes CI failures in e2e-ios, mocha-ios workflows

Related: facebook/react-native#37748

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: jvsena42

example/ios/Podfile

@@ -5,9 +5,26 @@ require Pod::Executable.execute_command('node', ['-p',
     {paths: [process.argv[1]]},
   )', __dir__]).strip
 
-platform :ios, min_ios_version_supported
+platform :ios, '13.0'
 prepare_react_native_project!
 
+# Fix boost checksum issue by using sourceforge mirror
+# https://github.com/facebook/react-native/issues/37748
+pre_install do |installer|
+  boost_path = File.join(installer.sandbox.root, '../node_modules/react-native/third-party-podspecs/boost.podspec')
+  if File.exist?(boost_path)
+    boost_spec = File.read(boost_path)
+    if boost_spec.include?('boostorg.jfrog.io')
+      boost_spec = boost_spec.gsub(
+        'https://boostorg.jfrog.io/artifactory/main/release/1.76.0/source/boost_1_76_0.tar.bz2',
+        'https://sourceforge.net/projects/boost/files/boost/1.76.0/boost_1_76_0.tar.bz2/download'
+      )
+      File.write(boost_path, boost_spec)
+      Pod::UI.puts 'Patched boost podspec to use sourceforge mirror'.green
+    end
+  end
+end
+
 # If you are using a `react-native-flipper` your iOS build will fail when `NO_FLIPPER=1` is set.
 # because `react-native-flipper` depends on (FlipperKit,...) that will be excluded
 #
@@ -58,5 +75,12 @@ target 'exmpl' do
       :mac_catalyst_enabled => false
     )
     __apply_Xcode_12_5_M1_post_install_workaround(installer)
+
+    # Fix iOS deployment target to 13.0 (required by react-native-ldk)
+    installer.pods_project.targets.each do |target|
+      target.build_configurations.each do |config|
+        config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '13.0'
+      end
+    end
   end
 end