[pigeon] Run update-excerpts

packages/pigeon/example/README.md

@@ -118,22 +118,21 @@ This is the code that will use the generated Swift code to receive calls from Fl
 packages/pigeon/example/app/ios/Runner/AppDelegate.swift
 <?code-excerpt "ios/Runner/AppDelegate.swift (swift-class)"?>
 ```swift
-
 private class PigeonApiImplementation: ExampleHostApi {
   func getHostLanguage() throws -> String {
     return "Swift"
   }
 
   func add(_ a: Int64, to b: Int64) throws -> Int64 {
     if a < 0 || b < 0 {
-      throw PigeonError(code: "code", message: "message", details: "details")
+      throw FlutterError(code: "code", message: "message", details: "details")
     }
     return a + b
   }
 
   func sendMessage(message: MessageData, completion: @escaping (Result<Bool, Error>) -> Void) {
     if message.code == Code.one {
-      completion(.failure(PigeonError(code: "code", message: "message", details: "details")))
+      completion(.failure(FlutterError(code: "code", message: "message", details: "details")))
       return
     }
     completion(.success(true))