grafana update to 8.4.6-bb.1

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/grafana/-/blob/8.4.6-bb.1/CHANGELOG.md

Package MR

big-bang/product/packages/grafana!159 (merged)

For Issue

Closes big-bang/product/packages/grafana#112 (closed)

Upgrade Notices

N/A