Changes

debian-bookworm-build: add curl

Add curl, as required by the coverity job to submit the API request.

Change-Id: I70eb2b94d0eda4b371d674e1087b4dc13397dcdf

debian-*-erlang: Install libsctp to enable sctp support in erlang apps

The current "--enable-sctp" flag when building erlang consists of
supporting SCTP if the libsctp library is found at runtime, by
dynamically linking to it only when SCTP features are requested.

The erlang package in debian only lists libsctp as a Build-Depends, but
it is not installed by default, so apps wishing to use SCTP will fail:
"""
[error] CRASH REPORT Process <0.155.0> with 0 neighbours crashed with reason: no match of right hand value {error,{shutdown,{open,eprotonosupport}
"""

Installing the libsctp library fixes the issue.

Related: OS#5757
Change-Id: I5ca332f9064c16491116608577b3f68379d840e6

Introduce osmo-dia2gsup-master, ttcn3-dia2gsup-test

- Add a docker container to run osmo_dia2gsup from git master.
- Add infrastructure to run the osmo-dia2gsup container against
  osmo-ttcn3-hacks.git/dia2gsup testsuite.

Related: OS#5757
Change-Id: I646096d5a010df02af75aefa33b023b55997a6d7