Monitoring: Remove completed pods from Istio sidecar scraping

Package Merge Request

Package Changes

https://repo1.dso.mil/platform-one/big-bang/apps/core/monitoring/-/blob/35.5.1-bb.1/CHANGELOG.md

Package MR

https://repo1.dso.mil/platform-one/big-bang/apps/core/monitoring/-/merge_requests/148

For Issue

Closes https://repo1.dso.mil/platform-one/big-bang/apps/core/monitoring/-/issues/43