Changes

publish-tarballs: ignore some libosmo-sccp-legacy

"make dist-bzip2" doesn't work in these versions, so don't attempt to
build a tarball for them. It was fixed in 2.0.3.

Related: https://gitea.osmocom.org/osmocom/libosmo-sccp-legacy/commit/27d2423b15463a0c2b59bf9a73c57b21df989d46
Change-Id: Id894d49c579998c02f32aa45f5585234fb11746b