neuvector update to 2.7.6-bb.3

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/neuvector/-/blob/2.7.6-bb.3/CHANGELOG.md

Package MR

big-bang/product/packages/neuvector!152 (merged)

For Issue

Closes (big-bang/pipeline-templates/pipeline-templates#395 (closed))

Upgrade Notices

N/A