Update web plugin owners (#9994)

Updates CODEOWNERS for web plugins to reflect team changes.

Author: stuartmorgan-g

CODEOWNERS

@@ -6,15 +6,15 @@
 
 packages/animations/**                                   @hannah-hyj
 packages/camera/**                                       @bparrishMines
-packages/cross_file/**                                   @ditman
-packages/extension_google_sign_in_as_googleapis_auth/**  @ditman
+packages/cross_file/**                                   @stuartmorgan
+packages/extension_google_sign_in_as_googleapis_auth/**  @stuartmorgan
 packages/file_selector/**                                @stuartmorgan-g
 packages/flutter_lints/**                                @chunhtai
 packages/flutter_template_images/**                      @stuartmorgan-g
 packages/go_router/**                                    @chunhtai
 packages/go_router_builder/**                            @chunhtai
 packages/google_adsense/**                               @sokoloff06 @ditman
-packages/google_identity_services_web/**                 @ditman
+packages/google_identity_services_web/**                 @mdebbar
 packages/google_fonts/**                                 @Piinks
 packages/google_maps_flutter/**                          @stuartmorgan-g
 packages/google_sign_in/**                               @stuartmorgan-g
@@ -53,16 +53,16 @@ third_party/packages/path_parsing/**                     @domesticmouse
 # matching entry takes precedence.
 
 # - Web
-packages/camera/camera_web/**                                 @ditman
-packages/file_selector/file_selector_web/**                   @ditman
-packages/google_maps_flutter/google_maps_flutter_web/**       @ditman
-packages/google_sign_in/google_sign_in_web/**                 @ditman
-packages/image_picker/image_picker_for_web/**                 @ditman
-packages/pointer_interceptor/pointer_interceptor_web/**       @ditman
-packages/shared_preferences/shared_preferences_web/**         @ditman
-packages/url_launcher/url_launcher_web/**                     @ditman
-packages/video_player/video_player_web/**                     @ditman
-packages/webview_flutter/webview_flutter_web/**               @ditman
+packages/camera/camera_web/**                                 @mdebbar
+packages/file_selector/file_selector_web/**                   @mdebbar
+packages/google_maps_flutter/google_maps_flutter_web/**       @mdebbar
+packages/google_sign_in/google_sign_in_web/**                 @mdebbar
+packages/image_picker/image_picker_for_web/**                 @mdebbar
+packages/pointer_interceptor/pointer_interceptor_web/**       @mdebbar
+packages/shared_preferences/shared_preferences_web/**         @mdebbar
+packages/url_launcher/url_launcher_web/**                     @mdebbar
+packages/video_player/video_player_web/**                     @mdebbar
+packages/webview_flutter/webview_flutter_web/**               @mdebbar
 
 # - Android
 packages/camera/camera_android/**                             @camsim99