Add new playbooks permissions. (#19661)

model/migration.go

@@ -37,4 +37,5 @@ const (
 	MigrationKeyAddIntegrationsSubsectionPermissions   = "integrations_subsection_permissions"
 	MigrationKeyAddPlaybooksPermissions                = "playbooks_permissions"
 	MigrationKeyAddCustomUserGroupsPermissions         = "custom_groups_permissions"
+	MigrationKeyAddPlayboosksManageRolesPermissions    = "playbooks_manage_roles"
 )