Merge branch 'fix/gitlab-ui-404-page-error-style' into 'master'

Fix: GitLab UI 404 page style error suing Chinese characters

See merge request gitlab-org/gitlab!69186

app/assets/stylesheets/errors.scss

@@ -91,6 +91,7 @@ a {
     .field {
       margin-bottom: 0;
       margin-right: 0.5em;
+      flex: 1;
     }
   }
 }