Bump React Native OSS build infra to min iOS 15.1 (#46137)

Summary:
Pull Request resolved: #46137

Changelog:
[iOS] - Bump OSS Build infra to min iOS 15.1

Reference: react-native-community/discussions-and-proposals#812

Reviewed By: christophpurrer

Differential Revision: D61577939

fbshipit-source-id: 8f2929af266f61aedd55358b13d08544fd79e434

packages/react-native/scripts/cocoapods/__tests__/codegen_utils-test.rb

@@ -21,7 +21,7 @@
 # without incurring in circular deps
 # TODO: move `min_ios_version_supported` to utils.rb
 def min_ios_version_supported
-    return '13.4'
+    return '15.1'
 end
 
 def min_supported_versions

packages/react-native/scripts/cocoapods/helpers.rb

@@ -60,11 +60,11 @@ class Constants
         }
 
         def self.min_ios_version_supported
-            return '13.4'
+            return '15.1'
         end
 
         def self.min_xcode_version_supported
-            return '14.3'
+            return '15.1'
         end
 
         def self.folly_config

packages/react-native/sdks/hermes-engine/hermes-engine.podspec

@@ -24,7 +24,7 @@ Pod::Spec.new do |spec|
   spec.license     = package['license']
   spec.author      = "Facebook"
   spec.source      = source
-  spec.platforms   = { :osx => "10.13", :ios => "13.4", :visionos => "1.0" }
+  spec.platforms   = { :osx => "10.13", :ios => "15.1", :visionos => "1.0" }
 
   spec.preserve_paths      = '**/*.*'
   spec.source_files        = ''