update PR enforcement level documentation for protected branches (#24117)

* update PR enforcement level documentation for protected branches

Updates the documentation for protected_branches to add additional metadata for expected values for the enforcement level.

* update enterprise audited-actions page

Co-authored-by: Ethan Palm <56270045+ethanpalm@users.noreply.github.com>

Author: sridharavinash

content/admin/user-management/monitoring-activity-in-your-enterprise/audited-actions.md

@@ -129,7 +129,7 @@ Action                     | Description
 `protected_branch.update_require_code_owner_review ` | Enforcement of required code owner review is updated on a branch.
 `protected_branch.dismiss_stale_reviews `   | Enforcement of dismissing stale pull requests is updated on a branch.
 `protected_branch.update_signature_requirement_enforcement_level `    | Enforcement of required commit signing is updated on a branch.
-`protected_branch.update_pull_request_reviews_enforcement_level `     | Enforcement of required pull request reviews is updated on a branch.
+`protected_branch.update_pull_request_reviews_enforcement_level `     | Enforcement of required pull request reviews is updated on a branch. Can be one of `0`(deactivated), `1`(non-admins), `2`(everyone).
 `protected_branch.update_required_status_checks_enforcement_level `   | Enforcement of required status checks is updated on a branch.
 `protected_branch.rejected_ref_update `     | A branch update attempt is rejected.
 `protected_branch.policy_override `         | A branch protection requirement is overridden by a repository administrator.

content/organizations/keeping-your-organization-secure/reviewing-the-audit-log-for-your-organization.md

@@ -550,7 +550,7 @@ For more information, see "[Managing the publication of {% data variables.produc
 | `update_require_code_owner_review ` | Triggered when enforcement of required Code Owner review is updated on a branch.
 | `dismiss_stale_reviews ` | Triggered when enforcement of dismissing stale pull requests is updated on a branch.
 | `update_signature_requirement_enforcement_level ` | Triggered when enforcement of required commit signing is updated on a branch.
-| `update_pull_request_reviews_enforcement_level ` | Triggered when enforcement of required pull request reviews is updated on a branch.
+| `update_pull_request_reviews_enforcement_level ` | Triggered when enforcement of required pull request reviews is updated on a branch. Can be one of `0`(deactivated), `1`(non-admins), `2`(everyone).
 | `update_required_status_checks_enforcement_level ` | Triggered when enforcement of required status checks is updated on a branch.
 | `update_strict_required_status_checks_policy` | Triggered when the requirement for a branch to be up to date before merging is changed.
 | `rejected_ref_update ` | Triggered when a branch update attempt is rejected.