git: openjdk/jdk21u-dev: master: 8331431: Update to use jtreg 7.4

[Goetz Lindenmaier]

Changeset: 9e29f47c
Branch: master
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2025-12-18 08:21:54 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/9e29f47c06129e1198b323a752b717bbb29de98f

8331431: Update to use jtreg 7.4

Backport-of: 99fefec092f49cd759f93aa75e008cfa06d2a183

! make/autoconf/lib-tests.m4
! make/conf/github-actions.conf
! make/conf/jib-profiles.js
! test/hotspot/jtreg/TEST.ROOT
! test/jaxp/TEST.ROOT
! test/jdk/TEST.ROOT
! test/langtools/TEST.ROOT
! test/lib-test/TEST.ROOT