feat: bump firebase iOS SDK to v11.7.0 (#17011)

* feat: bump firebase iOS SDK to `v11.7.0`

* test: reintroduce skipped tests

Author: russellwheatley

packages/firebase_core/firebase_core/ios/firebase_sdk_version.rb

@@ -1,4 +1,4 @@
 # https://firebase.google.com/support/release-notes/ios
 def firebase_sdk_version!()
-  '11.6.0'
+  '11.7.0'
 end

tests/integration_test/firebase_auth/firebase_auth_instance_e2e_test.dart

@@ -904,13 +904,8 @@ void main() {
 
             Exception e = await getError();
             expect(e, isA<FirebaseAuthException>());
-            // Exception code is returning internal-error but the underlying error is "identitytoolkit.getRecaptchaConfig is not implemented in the Auth Emulator."
-            // This issue on firebase-ios-sdk: https://github.com/firebase/firebase-ios-sdk/issues/14242. Once this is resolved, we ought to reinstate the below.
-            // It works fine on live project but returns internal-error on emulator.
-            if (defaultTargetPlatform != TargetPlatform.iOS) {
-              FirebaseAuthException exception = e as FirebaseAuthException;
-              expect(exception.code, equals('invalid-phone-number'));
-            }
+            FirebaseAuthException exception = e as FirebaseAuthException;
+            expect(exception.code, equals('invalid-phone-number'));
           });
 
           test(

tests/integration_test/firebase_auth/firebase_auth_user_e2e_test.dart

@@ -251,10 +251,7 @@ void main() {
             },
             skip: kIsWeb ||
                 defaultTargetPlatform == TargetPlatform.macOS ||
-                defaultTargetPlatform == TargetPlatform.windows
-                // on iOS, returning an exception but underlying exception is: "identitytoolkit.getRecaptchaConfig is not implemented in the Auth Emulator."
-                // which might be a result of this issue: https://github.com/firebase/firebase-ios-sdk/issues/14242. Once resolved, try to reinstate.
-                || defaultTargetPlatform == TargetPlatform.iOS,
+                defaultTargetPlatform == TargetPlatform.windows,
           ); // verifyPhoneNumber not supported on web.
 
           test(