chore(pkg): new patch release (1.6.6)

4 jobs for 1.6.6 in 25 seconds (queued for 23 seconds)
Name Stage Failure
check-manifest Lint
lists of files in version control and sdist do not match!
missing from sdist:
ERROR: InvocationError for command /builds/cubicweb/cubes/bootstrap/.tox/check-manifest/bin/python -m check_manifest . (exited with code 1)
___________________________________ summary ____________________________________
ERROR: check-manifest: commands failed
Running after_script
Uploading artifacts for failed job
ERROR: Job failed: command terminated with exit code 1