velero update to 6.6.0-bb.0

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/velero/-/blob/6.6.0-bb.0/CHANGELOG.md

Package MR

big-bang/product/packages/velero!147 (merged)

For Issue

Closes big-bang/product/packages/velero#97 (closed)

Upgrade Notices

N/A