Draft: grafana update to 7.3.1-bb.2

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/grafana/-/blob/7.3.1-bb.2/CHANGELOG.md

Package MR

big-bang/product/packages/grafana!63 (merged)

For Issue

Closes (link to issue here)

Upgrade Notices

n/a

added botmr grafana statusreview labels

assigned to @andrewshoell

changed the description

requested review from @ryan.j.garcia, @chris.oconnell, and @michaelmartin

closed in favor of !3902 (merged)

closed