Merge branch 'eduardosanz/add-maxlength' into 'master'

Add maxlength to the group description field

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/139247



Merged-by: Kerri Miller <kerrizor@kerrizor.com>
Approved-by: Kerri Miller <kerrizor@kerrizor.com>
Co-authored-by: Eduardo Sanz García <esanz-garcia@gitlab.com>

app/views/groups/settings/_general.html.haml

@@ -17,7 +17,7 @@
     .row.gl-mt-3
       .form-group.col-md-9
         = f.label :description, s_('Groups|Group description (optional)'), class: 'label-bold'
-        = f.text_area :description, class: 'form-control', rows: 3
+        = f.text_area :description, class: 'form-control', rows: 3, maxlength: 500
 
     .row.gl-mt-3
       .form-group.col-md-5