Deploy swh-scrubber 1.0.1

Completely overhauls the storage schema and command line arguments to support cassandra in addition to postgresql.

Staging & Prod:

• check that the package of the newest version is available
• disable puppet on all scrubbers
• update puppet manifests for new cli arguments: swh/infra/puppet/puppet-swh-site!611 (closed)

Staging:

• stop all workers
• apply swh/scrubber/sql/upgrades/5.sql > swh/devel/swh-scrubber@4400f3e9 (sudo -u swhworker SWH_CONFIG_FILENAME=/etc/softwareheritage/scrubber/storage_primary.yml swh db upgrade --module-config-key scrubber_db scrubber)
• upgrade package
• enable & noop apply puppet
• start one worker
• check sql DB
• restart all workers (without debug logs)

Production:

• stop all workers
• apply swh/scrubber/sql/upgrades/5.sql
• upgrade package
• enable & apply puppet
• restart all workers

(cc. @vlorentz)