Limit New Actions Custom Roles to GHEC (#56935)

Author: benwebb-au

data/reusables/organizations/additional-permissions.md

@@ -59,10 +59,12 @@ For more information, see [AUTOTITLE](/discussions).
 * View {% data variables.product.prodname_secret_scanning %} results
 * Dismiss or reopen {% data variables.product.prodname_secret_scanning %} results
 
+{%- ifversion ghec %}
 ### Actions
 
 * Manage {% data variables.product.prodname_actions %} general settings
 * Manage runners
 * Manage secrets
 * Manage variables
 * Manage environments (including environment secrets and variables)
+{%- endif %}