Remove inconsistent font weight for sidebar's labels

CHANGELOG

@@ -37,6 +37,7 @@ v 8.12.0 (unreleased)
   - Don't expose a user's token in the `/api/v3/user` API (!6047)
   - Remove redundant js-timeago-pending from user activity log (ClemMakesApps)
   - Ability to manage project issues, snippets, wiki, merge requests and builds access level
+  - Remove inconsistent font weight for sidebar's labels (ClemMakesApps)
   - Added tests for diff notes
   - Add a button to download latest successful artifacts for branches and tags !5142
   - Remove redundant pipeline tooltips (ClemMakesApps)

app/views/shared/issuable/_sidebar.html.haml

@@ -118,7 +118,7 @@
             = icon('spinner spin', class: 'block-loading')
             - if can_edit_issuable
               = link_to 'Edit', '#', class: 'edit-link pull-right'
-          .value.bold.issuable-show-labels.hide-collapsed{ class: ("has-labels" if issuable.labels_array.any?) }
+          .value.issuable-show-labels.hide-collapsed{ class: ("has-labels" if issuable.labels_array.any?) }
             - if issuable.labels_array.any?
               - issuable.labels_array.each do |label|
                 = link_to_label(label, type: issuable.to_ability_name)