Update render user avatar url in projects api

app/views/projects/_project_detail.json.jbuilder

@@ -26,7 +26,7 @@ json.author do
     json.name user.try(:show_real_name)
     json.type user&.type
     json.login user.login
-    json.image_url render_avatar_url(user)
+    json.image_url url_to_avatar(user)
   end
 end
 

app/views/projects/index.json.jbuilder

@@ -28,7 +28,7 @@ json.projects @projects do |project|
       json.type user.type
       json.name user.try(:show_real_name)
       json.login user.login
-      json.image_url render_avatar_url(user)
+      json.image_url url_to_avatar(user)
     end
   end