Merge branch '292492-roadmap-timeline-header-text-color-bug-in-dark-mode' into 'master'

Resolve "Roadmap timeline header text color bug in dark mode"

See merge request gitlab-org/gitlab!50357

ee/app/assets/stylesheets/page_bundles/roadmap.scss

@@ -179,7 +179,7 @@ html.group-epics-roadmap-html {
       font-weight: 400;
 
       &.label-dark {
-        color: $gray-900;
+        color: var(--gray-900, $gray-900);
       }
 
       &.label-bold {

ee/changelogs/unreleased/292492-roadmap-timeline-header-text-color-bug-in-dark-mode.yml

+---
+title: Fix roadmap topbar text in dark mode
+merge_request: 50357
+author:
+type: fixed