Bugs : libervia-backend package : Ubuntu

A couple of tests fail with:

126s ../../build.mHP/src/libervia/frontends/tools/webrtc.py:625: InternalError
126s ——-——-——-——-— Captured log call ——-——-——-——-—
126s ERROR libervia.frontends.tools.webrtc:webrtc.py:622 Can’t parse pipeline
126s Traceback (most recent call last):
126s File “/tmp/autopkgtest.YNJzL0/build.mHP/src/libervia/frontends/tools/webrtc.py”, line 620, in setup_call
126s self.pipeline = Gst.parse_launch(self.gst_pipe_desc)
126s ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
126s gi.repository.GLib.GError: gst_parse_error: no element “webrtcbin” (1)

Autopkgtest log:

https://autopkgtest.ubuntu.com/results/autopkgtest-oracular/oracular/amd64/libe/libervia-backend/20240823_125442_f2fd1@/log.gz

adding “gstreamer1.0-plugins-bad” and “gstreamer1.0-nice” as runtime
dependencies resolves the issue.

Debian bug: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1079085