Velero: Switch image to registry1/bigbang-ci

Package Merge Request

Package Changes

https://repo1.dso.mil/platform-one/big-bang/apps/cluster-utilities/velero/-/blob/3.1.0-bb.1/CHANGELOG.md

Package MR

https://repo1.dso.mil/platform-one/big-bang/apps/cluster-utilities/velero/-/merge_requests/74