Add runner version to /admin/runners view

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

@@ -15,6 +15,8 @@
   %td
     = runner.description
   %td
+    = runner.version
+  %td
     - if runner.shared?
       n/a
     - else

app/views/admin/runners/index.html.haml

@@ -67,6 +67,7 @@
           %th Type
           %th Runner token
           %th Description
+          %th Version
           %th Projects
           %th Jobs
           %th Tags

changelogs/unreleased/14748-runner-version-in-admin-views.yml

+---
+title: Add runner version to /admin/runners view
+merge_request: 8733
+author: Jonathon Reinhart