istio update to 1.17.3-bb.1

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/istio-controlplane/-/blob/1.17.3-bb.1/CHANGELOG.md

Package MR

big-bang/product/packages/istio-controlplane!156 (merged)

For Issue

Closes big-bang/product/packages/istio-controlplane#104 (closed)

added botmr istio statusreview labels

changed the description

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

assigned to @project_2872_bot2

restored source branch update-istio-controlplane-tag-1.17.3-bb.1

marked this merge request as ready

changed the description

changed milestone to %2.5.0

approved this merge request

enabled an automatic merge when the pipeline for 84b1a3c9 succeeds

added cherrypick label

merged

mentioned in commit 48805524

picked the changes into the branch release-2.5.x with commit f656f158

mentioned in commit f656f158