remove public prefix (#1109)

Co-authored-by: Bryce Kehoe <bryce@kehoe.co.nz>

Author: birkir

.changeset/calm-pumas-smile.md

@@ -0,0 +1,5 @@
+---
+'react-native-app-auth': patch
+---
+
+Support Expo 55 AppDelegate declarations without the public class modifier.

packages/react-native-app-auth/plugin/src/ios/app-delegate.ts

@@ -8,7 +8,7 @@ const withAppDelegateSwift: ConfigPlugin = rootConfig => {
     let { contents } = config.modResults;
 
     if (!contents.includes('RNAppAuthAuthorizationFlowManager')) {
-      const replaceText = 'public class AppDelegate: ExpoAppDelegate';
+      const replaceText = 'class AppDelegate: ExpoAppDelegate';
       contents = contents.replace(replaceText, `${replaceText}, RNAppAuthAuthorizationFlowManager`);
 
       const replaceText2 =
@@ -58,4 +58,4 @@ export const withAppAuthAppDelegate: ConfigPlugin = rootConfig => {
     config.modResults.contents = contents;
     return config;
   });
-};
+};