Fix for concat method error in Runner settings

Changing interpolation to sprintf

app/views/projects/runners/_runner.html.haml

@@ -3,7 +3,7 @@
     = runner_status_icon(runner)
 
     - if @project_runners.include?(runner)
-      = link_to runner.short_sha.concat("..."), project_runner_path(@project, runner), class: 'commit-sha has-tooltip', title: _("Partial token for reference only")
+      = link_to _("%{token}...") % { token: runner.short_sha }, project_runner_path(@project, runner), class: 'commit-sha has-tooltip', title: _("Partial token for reference only")
 
       - if runner.locked?
         = icon('lock', class: 'has-tooltip', title: _('Locked to current projects'))

changelogs/unreleased/208471-actionview-template-error-undefined-method-concat-for-nil-nilclass.yml

+---
+title: Fix an error with concat method
+merge_request:
+author:
+type: fixed

locale/gitlab.pot

@@ -484,6 +484,9 @@ msgstr ""
 msgid "%{title} changes"
 msgstr ""
 
+msgid "%{token}..."
+msgstr ""
+
 msgid "%{totalWeight} total weight"
 msgstr ""