Merge branch 'master' into overall-motivation-extendable

.gitlab-ci.yml

-image: ruby:2.7
+image: ruby:3.0
 
 stages:
   - build
@@ -176,6 +176,7 @@ test:htmlproofer:external_links:
     - if: '$CI_PIPELINE_SOURCE == "schedule"'
   tags:
     - internal
+  allow_failure: true
 
 review:
   stage: review

_events/2021/06/2021-06-11-git-and-gitlab.md

@@ -4,13 +4,14 @@ layout: event
 organizers:
   - erxleben
 lecturers:
-  - TBA
+  - Helene Hoffmann
+  - Lokamani
 type:   workshop
 start:
     date:   "2021-06-11"
 end:
     date:   "2021-06-14"
-registration_link:
+registration_link: "https://events.hifis.net/event/123/"
 location:
     campus: Online
 fully_booked_out: false