grafana update to 8.6.2-bb.0

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/grafana/-/blob/8.6.2-bb.0/CHANGELOG.md

Package MR

big-bang/product/packages/grafana!169 (merged)

For Issue

Closes big-bang/product/packages/grafana#123 (closed)

Upgrade Notices

N/A