Triage Registration Date

This is a hotfix.
The registration date was moved back, since no registration link has been provided yet.

_events/2020-01-24-GitLab-Software-Development-Teams-2020-12-15-sd4teams.md

@@ -19,7 +19,7 @@ location:
 fully_booked_out: false
 registration_link: 
 registration_period:
-    from:   "2020-01-20"
+    from:   "2020-11-01"
     to:     "2020-12-01"
 excerpt: 
     "Using GitLab's collaboration and automation features effectively"