website/docs: fix missing new name attribute for invitations

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

website/docs/releases/v2022.4.md

@@ -13,6 +13,10 @@ slug: "2022.4"
 
     Before this version, you could use both `context['*field_name*']` and `context['prompt_data']['*field_name*']`. The former one has been removed as it could overwrite other data in the context if the field name is the same as another context value.
 
+-   Added name field for invitations
+
+    Invitations now require a name, used to better identify their purpose.
+
 ## New features
 
 -   Application Grouping