setup: bumping to v19
setup: bumping to v19

mozilla-releng/services,srfraser/services,mozilla-releng/services,lundjordan/services,srfraser/services,garbas/mozilla-releng-services,La0/mozilla-relengapi,La0/mozilla-relengapi,La0/mozilla-relengapi,srfraser/services,garbas/mozilla-releng-services,mozilla-releng/services,garbas/mozilla-releng-services,lundjordan/services,garbas/mozilla-releng-services,srfraser/services,mozilla-releng/services,lundjordan/services,La0/mozilla-relengapi,lundjordan/services