website/docs: enterprise: add instructions to cancel license renewal (#13320)

Signed-off-by: Marc 'risson' Schmitt <marc.schmitt@risson.space>

website/docs/enterprise/manage-enterprise.mdx

@@ -127,6 +127,12 @@ You can either purchase a new license and enter it in the same authentik instanc
 
 The second way is to [open a support ticket](./entsupport.md) with us and we'll upgrade the number of users in your license. You'll be charged the prorated amount for the remaining time until the next license renewal.
 
+### Cancel your subscription
+
+To cancel your subscription, access the [billing management interface](#manage-billing), choose the subscription to cancel, and click "Cancel subscription".
+
+Once a subscription is canceled, the associated license will still be valid until the end of the billing period, but it will not be automatically renewed.
+
 ## Manage Billing
 
 Billing is based on each individual organization.
@@ -144,3 +150,4 @@ Billing is based on each individual organization.
     - update your account information (address, name, phone number, and tax ID)
     - add a payment method
     - view your invoice and payment history
+    - cancel your license subscriptions