Replace 'favourite' by 'favorite' for American English (#26009)

config/locales/doorkeeper.en.yml

@@ -127,7 +127,7 @@ en:
         bookmarks: Bookmarks
         conversations: Conversations
         crypto: End-to-end encryption
-        favourites: Favourites
+        favourites: Favorites
         filters: Filters
         follow: Follows, Mutes and Blocks
         follows: Follows
@@ -170,7 +170,7 @@ en:
       read:accounts: see accounts information
       read:blocks: see your blocks
       read:bookmarks: see your bookmarks
-      read:favourites: see your favourites
+      read:favourites: see your favorites
       read:filters: see your filters
       read:follows: see your follows
       read:lists: see your lists
@@ -184,7 +184,7 @@ en:
       write:blocks: block accounts and domains
       write:bookmarks: bookmark posts
       write:conversations: mute and delete conversations
-      write:favourites: favourite posts
+      write:favourites: favorite posts
       write:filters: create filters
       write:follows: follow people
       write:lists: create lists