Merge branch 'mw-ra-add-title' into 'master'

Repository Analytics: Add title to page

See merge request gitlab-org/gitlab!30855

app/views/projects/graphs/charts.html.haml

 - page_title _("Repository Analytics")
 
+.mb-3
+  %h3
+    = _("Repository Analytics")
+
 .repo-charts
   %h4.sub-header
     = _("Programming languages used in this repository")

changelogs/unreleased/mw-ra-add-title.yml

+---
+title: 'Repository Analytics: Add title to page'
+merge_request: 30855
+author:
+type: added