grafana update to 7.3.7-bb.1

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/grafana/-/blob/7.3.7-bb.1/CHANGELOG.md

Package MR

big-bang/product/packages/grafana!76 (merged)

For Issue

Closes (link to issue here)

Upgrade Notices

This release sets Grafana ini setting security.angular_support_enabled = false to not load which will auto-migrate dashboards to their new counterparts. This setting will be permanent starting in v11.

https://grafana.com/docs/grafana/latest/developers/angular_deprecation/