WINC-1795: [release-4.19] Update version to 10.19.3#3998

wgahnagl wants to merge 1 commit intoopenshift:release-4.19openshift/windows-machine-config-operator:release-4.19from

wgahnagl:release-4.19-z-stream-bump-04-17wgahnagl/windows-machine-config-operator:release-4.19-z-stream-bump-04-17Copy head branch name to clipboard