Release version v0.15.6

Changelog

• bef3897 Added tolerations selector to Add Tenant wizard (#1747)
• 842c3de Bucket rollback if remote bucket creation failed (#1744)
• ffa9436 Delete PVCs upon tenant deletion checkbox (#1752)
• b12fa5e Enable/Disable Object details actions depending on user permissions (#1756)
• d673473 Fix Delete Versions Tests Race condition (#1760)
• bb22a1d Fix bug when selecting storage type for AWS (#1759)
• d1d39df Fix enable/disable delete button for object (#1745)
• 8772c15 Github Actions Job Ordering - Longer jobs first (#1761)
• 676420a List Policies With Given Bucket Test (#1765)
• bc1cb82 Multiple files upload refactor (#1755)
• b658301 Release v0.15.6 (#1763)
• cca04dc Small tweaks (#1754)
• f582d83 Splitting permission test (#1757)
• 1417375 Tests for Object delete button on SideBar (#1746)
• de4cf3b Updated dependencies for yarn audit issues (#1749)
• 65eee7c Updating Operator Dependency (#1753)
• f6d92d5 disable legalhold if no locking (#1758)