Update FIRAuthInterop to use _Nullable_result annotation (#12841)

Author: andrewheard

FirebaseAuth/Interop/FIRAuthInterop.h

@@ -24,7 +24,7 @@ NS_ASSUME_NONNULL_BEGIN
 /** @typedef FIRTokenCallback
  @brief The type of block which gets called when a token is ready.
  */
-typedef void (^FIRTokenCallback)(NSString *_Nullable token, NSError *_Nullable error)
+typedef void (^FIRTokenCallback)(NSString *_Nullable_result token, NSError *_Nullable error)
     NS_SWIFT_UNAVAILABLE("Use Swift's closure syntax instead.");
 
 /// Common methods for Auth interoperability.
@@ -34,7 +34,7 @@ NS_SWIFT_NAME(AuthInterop)
 /// Retrieves the Firebase authentication token, possibly refreshing it if it has expired.
 - (void)getTokenForcingRefresh:(BOOL)forceRefresh
                   withCallback:
-                      (void (^)(NSString *_Nullable token, NSError *_Nullable error))callback
+                      (void (^)(NSString *_Nullable_result token, NSError *_Nullable error))callback
     NS_SWIFT_NAME(getToken(forcingRefresh:completion:));
 
 /// Get the current Auth user's UID. Returns nil if there is no user signed in.

FirebaseFunctions.podspec

@@ -40,7 +40,7 @@ Cloud Functions for Firebase.
   s.dependency 'FirebaseCore', '~> 10.0'
   s.dependency 'FirebaseCoreExtension', '~> 10.0'
   s.dependency 'FirebaseAppCheckInterop', '~> 10.10'
-  s.dependency 'FirebaseAuthInterop', '~> 10.0'
+  s.dependency 'FirebaseAuthInterop', '~> 10.25'
   s.dependency 'FirebaseMessagingInterop', '~> 10.0'
   s.dependency 'FirebaseSharedSwift', '~> 10.0'
   s.dependency 'GTMSessionFetcher/Core', '>= 2.1', '< 4.0'

FirebaseStorage.podspec

@@ -38,7 +38,7 @@ Firebase Storage provides robust, secure file uploads and downloads from Firebas
   ]
 
   s.dependency 'FirebaseAppCheckInterop', '~> 10.0'
-  s.dependency 'FirebaseAuthInterop', '~> 10.0'
+  s.dependency 'FirebaseAuthInterop', '~> 10.25'
   s.dependency 'FirebaseCore', '~> 10.0'
   s.dependency 'FirebaseCoreExtension', '~> 10.0'
   s.dependency 'GTMSessionFetcher/Core', '>= 2.1', '< 4.0'