thanos update to 12.21.0-bb.1

Package Merge Request

Package Changes

• The latest Thanos changes bring in this option seLinuxOptions: {} which causes Gatekeeper to block the Thanos installation
• Commenting out lines as a temporary solution to this issue

Package MR

big-bang/product/packages/thanos!50 (merged)

For Issue

Closes big-bang/product/packages/thanos#33 (closed)

Upgrade Notices

(Include any relevant notes about upgrades here or write "N/A" if there are none)