Update podfile

ios/Podfile.lock

@@ -1,11 +1,11 @@
 PODS:
   - app_settings (5.1.1):
     - Flutter
-  - AppAuth (1.7.4):
-    - AppAuth/Core (= 1.7.4)
-    - AppAuth/ExternalUserAgent (= 1.7.4)
-  - AppAuth/Core (1.7.4)
-  - AppAuth/ExternalUserAgent (1.7.4):
+  - AppAuth (1.7.5):
+    - AppAuth/Core (= 1.7.5)
+    - AppAuth/ExternalUserAgent (= 1.7.5)
+  - AppAuth/Core (1.7.5)
+  - AppAuth/ExternalUserAgent (1.7.5):
     - AppAuth/Core
   - connectivity_plus (0.0.1):
     - Flutter
@@ -76,7 +76,7 @@ PODS:
     - PromisesSwift (~> 2.1)
   - Flutter (1.0.0)
   - flutter_appauth (0.0.1):
-    - AppAuth (= 1.7.4)
+    - AppAuth (= 1.7.5)
     - Flutter
   - flutter_local_notifications (0.0.1):
     - Flutter
@@ -228,7 +228,7 @@ EXTERNAL SOURCES:
 
 SPEC CHECKSUMS:
   app_settings: 017320c6a680cdc94c799949d95b84cb69389ebc
-  AppAuth: 182c5b88630569df5acb672720534756c29b3358
+  AppAuth: 501c04eda8a8d11f179dbe8637b7a91bb7e5d2fa
   connectivity_plus: ddd7f30999e1faaef5967c23d5b6d503d10434db
   cupertino_http: 1a3a0f163c1b26e7f1a293b33d476e0fde7a64ec
   device_info_plus: 97af1d7e84681a90d0693e63169a5d50e0839a0d
@@ -245,7 +245,7 @@ SPEC CHECKSUMS:
   FirebaseRemoteConfigInterop: c3a5c31b3c22079f41ba1dc645df889d9ce38cb9
   FirebaseSessions: 655ff17f3cc1a635cbdc2d69b953878001f9e25b
   Flutter: e0871f40cf51350855a761d2e70bf5af5b9b5de7
-  flutter_appauth: 1ce438877bc111c5d8f42da47729909290624886
+  flutter_appauth: aef998cfbcc307dff7f2fbe1f59a50323748dc25
   flutter_local_notifications: 4cde75091f6327eb8517fa068a0a5950212d2086
   flutter_native_splash: edf599c81f74d093a4daf8e17bd7a018854bc778
   flutter_secure_storage: d33dac7ae2ea08509be337e775f6b59f1ff45f12