Updated velero plugin images

Package Merge Request

Package Changes

https://repo1.dso.mil/platform-one/big-bang/apps/cluster-utilities/velero/-/blob/2.31.8-bb.3/CHANGELOG.md

Package MR

https://repo1.dso.mil/platform-one/big-bang/apps/cluster-utilities/velero/-/merge_requests/64

For Issue

Closes https://repo1.dso.mil/platform-one/big-bang/apps/cluster-utilities/velero/-/issues/37