home.md

 [instance configuration](https://gitlab.version.fz-juelich.de/help/instance_configuration)
 
+- 09.06.2021 update to GitLab 13.12.3 
 - 06.06.2021 update to GitLab 13.12.2 
 - 21.04.2021 update to GitLab 13.10.3
 - 06.04.2021 update to GitLab 13.10.2