Updated velero git tag

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/apps/cluster-utilities/velero/-/blob/3.1.0-bb.3/CHANGELOG.md

Package MR

https://repo1.dso.mil/big-bang/apps/cluster-utilities/velero/-/merge_requests/75

For Issue

Closes https://repo1.dso.mil/big-bang/apps/cluster-utilities/velero/-/issues/42