Changes From 8.2.0 To 8.2.1

• Merge branch 'improvement/ZENKO-2340-rename-zenko-registry-namespace' into tmp/octopus/w/8.2/improvement/ZENKO-2340-rename-zenko-registry-namespace
• ci: ZENKO-2340 rename the docker registry namespace from zenko-dev to zenko
• Merge branches 'w/8.2/bugfix/ZENKO-2233-replicationSocketLeak' and 'q/791/8.1/bugfix/ZENKO-2233-replicationSocketLeak' into tmp/octopus/q/8.2
• Merge branch 'bugfix/ZENKO-2233-replicationSocketLeak' into q/8.1
• Merge branch 'w/8.1/bugfix/S3C-2646-flakyTestDoubleCallback' into tmp/octopus/w/8.2/bugfix/S3C-2646-flakyTestDoubleCallback
• Merge remote-tracking branch 'origin/w/7.7/bugfix/S3C-2646-flakyTestDoubleCallback' into w/8.1/bugfix/S3C-2646-flakyTestDoubleCallback
• Merge branch 'bugfix/S3C-2646-flakyTestDoubleCallback' into tmp/octopus/w/7.6/bugfix/S3C-2646-flakyTestDoubleCallback
• bugfix: S3C-2646 fix flaky tests caused by MultipleBackendTask unit
• Merge branch 'bugfix/ZENKO-2233-replicationSocketLeak' into tmp/octopus/w/8.2/bugfix/ZENKO-2233-replicationSocketLeak
• bugfix: ZENKO-2233 replication socket fd leak
• Merge branches 'w/8.2/improvement/ZENKO-2262-Start-OOB-in-paused-state' and 'q/789/8.1/improvement/ZENKO-2262-Start-OOB-in-paused-state' into tmp/octopus/q/8.2
• Merge branch 'improvement/ZENKO-2262-Start-OOB-in-paused-state' into q/8.1
• Merge branch 'improvement/ZENKO-2262-Start-OOB-in-paused-state' into tmp/octopus/w/8.2/improvement/ZENKO-2262-Start-OOB-in-paused-state
• improvement:ZENKO-2262 Start OOB in paused state
• Merge branch 'improvement/ZENKO-2265-noWaitBetweenBatches' into tmp/octopus/w/8.2/improvement/ZENKO-2265-noWaitBetweenBatches
• improvement: ZENKO-2265 make ingestion not wait between batches
• Merge branch 'bugfix/ZENKO-2275-update-ca-certs' into tmp/octopus/w/8.2/bugfix/ZENKO-2275-update-ca-certs
• ZENKO-2275 updating CA certs due to failure when reaching github
• Merge branches 'w/8.2/feature/ZENKO-2201-mongodb-auth' and 'q/774/8.1/feature/ZENKO-2201-mongodb-auth' into tmp/octopus/q/8.2
• Merge branch 'feature/ZENKO-2201-mongodb-auth' into q/8.1
• Merge remote-tracking branch 'origin/feature/ZENKO-2201-mongodb-auth' into w/8.2/feature/ZENKO-2201-mongodb-auth
• Add new management layer not using mongodb
• update arsenal dep
• ZENKO-2239 add get product version script for build properties
• ZENKO-2239 now uploading backbeat docker image to registry.scality.com
• ZENKO-2239 changing backbeat build environment
• ft: ZENKO 2201 add mongodb auth