fix(app_check, iOS): correctly parse forceRefresh argument using boolValue (#17627)

* fix(app_check, iOS): correctly parse forceRefresh argument using `boolValue`

* chore: trigger CI

Author: SelaseKay

packages/firebase_app_check/firebase_app_check/ios/firebase_app_check/Sources/firebase_app_check/FLTFirebaseAppCheckPlugin.m

@@ -148,7 +148,7 @@ - (void)registerTokenListener:(id)arguments
 
 - (void)getToken:(id)arguments withMethodCallResult:(FLTFirebaseMethodCallResult *)result {
   FIRAppCheck *appCheck = [self getFIRAppCheckFromArguments:arguments];
-  bool forceRefresh = arguments[@"forceRefresh"];
+  bool forceRefresh = [arguments[@"forceRefresh"] boolValue];
 
   [appCheck tokenForcingRefresh:forceRefresh
                      completion:^(FIRAppCheckToken *_Nullable token, NSError *_Nullable error) {