nexusRepositoryManager update to 64.0.0-bb.0

Package Merge Request

Package Changes

Update chart to 64.x and gluon 4.7 to allow customers to use custom scripts

Package MR

big-bang/product/packages/nexus!109 (merged)

For Issue

Closes (big-bang/product/packages/nexus#77 (closed))

Upgrade Notices

N/A