[BRANDING] How to start a runner: URL to Actions admin documentation

(cherry picked from commit da91799e6f06ac3c91c1cfc763f4ec0b5cc3cf21)

Author: earl-warren

templates/shared/actions/runner_list.tmpl

@@ -12,7 +12,7 @@
 				<div class="menu">
 					<div class="item">
 						{{/* TODO: replece the document link when there's a better one than the README of act_runner */}}
-						<a href="https://gitea.com/gitea/act_runner/src/branch/main/README.md">{{.locale.Tr "actions.runners.new_notice"}}</a>
+						<a href="https://forgejo.org/docs/next/admin/actions/#forgejo-runner">{{.locale.Tr "actions.runners.new_notice"}}</a>
 					</div>
 					<div class="divider"></div>
 					<div class="header">