Bumping version from upstream to 1.19.4 from 1.19.3

General MR

Summary

Bumping chart version to 1.19.4 from 1.19.3 to fulfill renovate ticket requirements.

changed milestone to %2.15.0

added istioOperator renovate statusreview labels

assigned to @matt.boyer

requested review from @jeffv

added 1 commit

• 4a670493 - readme update

Compare with previous version

approved this merge request

marked this merge request as ready

mentioned in commit 88685211

merged

mentioned in merge request big-bang/bigbang!3443 (merged)

changed milestone to %2.16.0