and use it to the generate a 'cmdbts2' test case strictly equivalent
to the CMDBTS repo.
Replace the previous CMDBTS dataset by this generated 'cmdbts2' dataset.
See the swh/provenance/tests/data/README.md file for more details.
Note: this revision could be split in 2 or 3, but...
Also remove test_provenance_heuristics_CMDBTS test
since it's redundant with the cmdbts2 test, now generated from a simple
yaml file rather than depending on the original CMDBTS git repo on
The CMDBTS dataset (CMDBTS.msgpack) is kept for now since it's still
used for other tests (e.g. test_provenance_db).
Depends on D5781