grafana update to 8.3.4-bb.2

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/grafana/-/blob/8.3.4-bb.2/CHANGELOG.md

Package MR

big-bang/product/packages/grafana!151 (merged)

For Issue

Closes big-bang/product/packages/grafana#105 (closed)

Upgrade Notices

N/A