istio update to 1.21.2-bb.0

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/istio-controlplane/-/blob/1.21.2-bb.0/CHANGELOG.md

Package MR

big-bang/product/packages/istio-controlplane!235 (merged)

For Issue

Closes big-bang/product/packages/istio-controlplane#171 (closed)

Upgrade Notices

N/A

added botmr istio statusreview labels

assigned to @sarnowski-unicorn

changed the description

requested review from @chris.oconnell and @michaelmartin

changed the description

marked this merge request as ready

changed milestone to %2.28.0

approved this merge request

merged

mentioned in commit 3d392b3e

mentioned in issue big-bang/product/packages/istio-controlplane#176 (closed)

mentioned in merge request big-bang/customers/template!82 (merged)