Add missed column title in runner management page (#24328)

![image](https://user-images.githubusercontent.com/18380374/234214706-315a8465-8931-4693-8015-e50279db53ab.png)

Author: yp05327

templates/shared/actions/runner_list.tmpl

@@ -52,7 +52,7 @@
 					<th>{{.locale.Tr "actions.runners.owner_type"}}</th>
 					<th>{{.locale.Tr "actions.runners.labels"}}</th>
 					<th>{{.locale.Tr "actions.runners.last_online"}}</th>
-					<th></th>
+					<th>{{.locale.Tr "edit"}}</th>
 				</tr>
 			</thead>
 			<tbody>