* Pin docker images used for native compilation
* Update docker images
* Make mvnd-1.x buildable with Java 21 (#1018)
So far it was buildable ONLY with Java 17, but only due
single IT: it used old Quarkus version that refused to
work on Java 21.
Ported updates from mvnd master and now mvnd-1.x branch
can also be build without any problem with Java 21.
* Update RELEASING
* Adding two changed binaries as well
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Co-authored-by: Tamas Cservenak <tamas@cservenak.net>