Add upcoming service.

wiki/src/blueprint/hardware_for_automated_tests_take3.mdwn

@@ -79,7 +79,9 @@ area:
    to be hosted on hardware we control for security/privacy reasons
    (which is not the case for our CI system):
    - Added already: self-host our website
-   - Will be added soon: [[!tails_ticket 16121 desc="Schleuder"]]
+   - Will be added soon:
+     - [[!tails_ticket 16121 desc="Schleuder"]]
+     - [[!tails_ticket 15919 desc="Redmine"]]
    - Under consideration:
      - [[!tails_ticket 14601 desc="Matomo"]] will require huge amounts
        of resources and put quite some load on the system where we run