Add detail and link to audit log event for GitHub Advanced Security policy changes (#18347)

Author: mattpollard

content/admin/user-management/audited-actions.md

@@ -54,7 +54,7 @@ Action                            | Description
 
 Action                                          | Description
 ----------------------------------------------- | -------------------------------------------{% if currentVersion ver_gt "enterprise-server@3.0" or currentVersion == "github-ae@next" %}
-`business.advanced_security_policy_update` | A site admin updates a policy for {% data variables.product.prodname_GH_advanced_security %}. For more information, see "[About {% data variables.product.prodname_GH_advanced_security %}](/github/getting-started-with-github/about-github-advanced-security)."{% endif %}
+`business.advanced_security_policy_update` | A site admin creates, updates, or removes a policy for {% data variables.product.prodname_GH_advanced_security %}. For more information, see "[Enforcing policies for {% data variables.product.prodname_advanced_security %} in your enterprise](/admin/policies/enforcing-policies-for-advanced-security-in-your-enterprise)."{% endif %}
 `business.clear_members_can_create_repos` | A site admin clears a restriction on repository creation in organizations in the enterprise. For more information, see "[Enforcing repository management policies in your enterprise](/admin/policies/enforcing-repository-management-policies-in-your-enterprise#setting-a-policy-for-repository-creation)."
 `business.update_member_repository_creation_permission` | A site admin restricts repository creation in organizations in the enterprise. For more information, see "[Enforcing repository management policies in your enterprise](/admin/policies/enforcing-repository-management-policies-in-your-enterprise#setting-a-policy-for-repository-creation)."{% if enterpriseServerVersions contains currentVersion %}
 `enterprise.config.lock_anonymous_git_access`   | A site admin locks anonymous Git read access to prevent repository admins from changing existing anonymous Git read access settings for repositories in the enterprise. For more information, see "[Enforcing repository management policies in your enterprise](/admin/policies/enforcing-repository-management-policies-in-your-enterprise#configuring-anonymous-git-read-access)."