Merge branch '228779-jira-sidebar-menu-should-use-jira-logo' into 'master'

Update Jira sidebar menu to use Jira logo

See merge request gitlab-org/gitlab!36854

app/assets/images/logos/jira-gray.svg

+<svg id="Logos" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="80" height="80" viewBox="0 0 80 80"><defs><style>.cls-1{fill:#7a869a;}.cls-2{fill:url(#linear-gradient);}.cls-3{fill:url(#linear-gradient-2);}</style><linearGradient id="linear-gradient" x1="38.11" y1="18.54" x2="23.17" y2="33.48" gradientUnits="userSpaceOnUse"><stop offset="0.18" stop-color="#344563"/><stop offset="1" stop-color="#7a869a"/></linearGradient><linearGradient id="linear-gradient-2" x1="42.07" y1="61.47" x2="56.98" y2="46.55" xlink:href="#linear-gradient"/></defs><title>jira software-icon-gradient-neutral</title><path class="cls-1" d="M74.18,38,43,6.9l-3-3h0L16.58,27.32h0L5.86,38a2.86,2.86,0,0,0,0,4.05L27.28,63.51,40,76.25,63.47,52.81l.36-.36L74.18,42.09A2.86,2.86,0,0,0,74.18,38ZM40,50.77l-10.7-10.7L40,29.37l10.7,10.7Z"/><path class="cls-2" d="M40,29.37A18,18,0,0,1,40,4L16.54,27.37,29.28,40.11,40,29.37Z"/><path class="cls-3" d="M50.75,40,40,50.77a18,18,0,0,1,0,25.48h0L63.5,52.78Z"/></svg>

ee/app/views/layouts/nav/sidebar/_project_jira_issues_link.html.haml

 = nav_link(path: sidebar_external_tracker_paths) do
   = link_to project_integrations_jira_issues_path(@project) do
     .nav-icon-container
-      = sprite_icon('issues')
+      = image_tag('logos/jira-gray.svg', class: "gl-w-5 gl-h-5")
     %span.nav-item-name.qa-settings-item#js-onboarding-settings-link
       = s_('JiraService|Jira Issues')