This also removes the compatibility libraries.
Bugs fixed by this release:
---------------------------
Resolves: RHEL-165049
s390x data corruption after `concat_vectors(trunc(scalar), undef)`
Resolves: RHEL-171564
clang-22 crashes when building systemd
Backported fixes from LLVM 23:
------------------------------
Resolves: RHEL-210749
Backport important fixes from upstream [rhel-10]
Housekeeping issues:
--------------------
Relates: RHEL-140398
[DEV Task]: Update LLVM Toolset to 22.1.8 [rhel-10]
Resolves: RHEL-140393
Update LLVM Toolset to 22.1.8 [rhel-10]
Resolves: RHEL-140389
Remove llvm21 compat package from the buildroot [rhel-10]
Relates: RHEL-140394
[DEV Task]: Remove llvm21 compat package from the buildroot [rhel-10]
