fix HedgeDoc URL

Signed-off-by: Marvin Frommhold <depressiveRobot@users.noreply.github.com>

Author: depressiveRobot

onetimes.yml

@@ -163,7 +163,7 @@ events:
     description: |
       In this online workshop we’d like to gather your feedback on a potential new PaaS (Platform-as-a-Service) track for SCS. For this, we want to discuss what PaaS means in the context of SCS. What standards and services a PaaS track should include? For example, storage in the form of databases (as a service). And especially, what is needed from a consumer perspective?
 
-      See this living HedgeDoc for more information and how to join: https://input.scs.community/htJPtRxDToqvBR4f6BNuoQ
+      See this living HedgeDoc for more information and how to join: https://input.scs.community/xV5owA0-TEev7l5HSMlBWA
 
       Jitsi server on https://conf.scs.koeln:8443/SCS-Tech
       Coordinator: Marvin Frommhold - frommhold[at]osb-alliance.com