kb(Scheduler): fix slug in kb (#3292)

Co-authored-by: Hristian Stefanov <[email protected]>

Author: github-actions[bot]

knowledge-base/scheduler-add-hyperlinks-in-appointments.md

@@ -139,4 +139,4 @@ Here’s an example:
 ````
 
 ## See Also
-- [Scheduler Appointment Templates](scheduler-templates-appointment)
+* [Scheduler Appointment Templates](slug:scheduler-templates-appointment)