chore: change the source in podspec (#188)

Change the pod source in podspec to Software Mansion repo.

Author: JakubGonera

react-native-executorch.podspec

@@ -11,7 +11,7 @@ Pod::Spec.new do |s|
   s.authors      = package["author"]
 
   s.platforms    = { :ios => min_ios_version_supported }
-  s.source       = { :git => "https://github.com/NorbertKlockiewicz/react-native-executorch.git", :tag => "#{s.version}" }
+  s.source       = { :git => "https://github.com/software-mansion/react-native-executorch.git", :tag => "#{s.version}" }
 
   s.ios.vendored_frameworks = "ios/ExecutorchLib.xcframework"
   s.source_files = "ios/**/*.{h,m,mm}"