thanos update to 12.13.12-bb.4

Package Merge Request

Package Changes

update container securitycontext to fix kyverno policy violations

Package MR

https://repo1.dso.mil/big-bang/apps/sandbox/thanos/-/merge_requests/38

For Issue

Closes https://repo1.dso.mil/big-bang/apps/sandbox/thanos/-/issues/27