Update eclipse-simrel.jsonnet

[merks]

Enable discussions.

[github-actions]

Diff for 10d0f2b:

Printing local diff for configuration at '/home/runner/work/.eclipsefdn/.eclipsefdn/otterdog-configs/otterdog.json'

Actions are indicated with the following symbols:
+   create
!   modify
!   forced update
-   delete

Organization eclipse-simrel[id=eclipse-simrel]
  there have been 3 validation infos, enable verbose output with '-v' to to display them.

  
!   repository[name="simrel.build"] {
!     has_discussions                                          = false -> true
!   }
  
  Plan: 0 to add, 1 to change, 0 to delete.

Showing diff to a canonical version of the configuration at '/home/runner/work/.eclipsefdn/.eclipsefdn/otterdog-configs/otterdog.json'

Organization eclipse-simrel[id=eclipse-simrel]

[netomi]

discussions have been enabled.