chore(firebase_app_check): deprecate webProvider parameter in activate method

Author: SelaseKay

packages/firebase_app_check/firebase_app_check_web/lib/firebase_app_check_web.dart

@@ -96,6 +96,10 @@ class FirebaseAppCheckWeb extends FirebaseAppCheckPlatform {
 
   @override
   Future<void> activate({
+    @Deprecated(
+      'Use providerWeb instead. '
+      'This parameter will be removed in a future major release.',
+    )
     WebProvider? webProvider,
     @Deprecated(
       'Use providerAndroid instead. '
@@ -107,6 +111,7 @@ class FirebaseAppCheckWeb extends FirebaseAppCheckPlatform {
       'This parameter will be removed in a future major release.',
     )
     AppleProvider? appleProvider,
+    WebProvider? providerWeb,
     AndroidAppCheckProvider? providerAndroid,
     AppleAppCheckProvider? providerApple,
   }) async {