add missing noreferrers

src/invidious/frontend/watch_page.cr

@@ -34,7 +34,7 @@ module Invidious::Frontend::WatchPage
       str << " class=\"pure-form pure-form-stacked\""
       str << " action='#{url}'"
       str << " method='post'"
-      str << " rel='noopener'"
+      str << " rel='noopener noreferrer'"
       str << " target='_blank'>"
       str << '\n'
 

src/invidious/views/user/data_control.ecr

@@ -14,7 +14,7 @@
 
             <div class="pure-control-group">
                 <label for="import_youtube">
-                    <a rel="noopener" target="_blank" href="https://github.com/iv-org/documentation/blob/master/docs/export-youtube-subscriptions.md">
+                    <a rel="noopener noreferrer" target="_blank" href="https://github.com/iv-org/documentation/blob/master/docs/export-youtube-subscriptions.md">
                         <%= translate(locale, "Import YouTube subscriptions") %>
                     </a>
                 </label>