Fix pipeline to use ppc64le-glibc-2.28-gcc-10.5.0

[lex-ibm]

No description provided.

[lex-ibm]

@daiyam sorry, forgot to check the last one

[lex-ibm]

[EXTRA]    Installing a cross-ldd helper
[EXTRA]    Creating toolchain aliases
[EXTRA]    Removing installed documentation
[EXTRA]    Collect license information from: /data/.build/powerpc64le-linux-gnu/src
[EXTRA]    Put the license information to: /data/powerpc64le-linux-gnu/share/licenses
[INFO ]  Finalizing the toolchain's directory: done in 1.91s (at 08:01)
[INFO ]  Build completed at 20260706.180735
[INFO ]  (elapsed: 8:01.21)
[INFO ]  Finishing installation (may take a few seconds)...
[08:01] / ubuntu@497c3d5c2c62:/data$ ls -lah
total 29M
drwxr-xr-x 4 ubuntu ubuntu 4.0K Jul  6 17:59 .
drwxr-xr-x 1 root   root   4.0K Jul  6 17:44 ..
drwxrwxr-x 6 ubuntu ubuntu 4.0K Jul  6 17:59 .build
-rw-r--r-- 1 ubuntu ubuntu  25K Jul  6 17:59 .config
-rw-rw-r-- 1 ubuntu ubuntu  29M Jul  6 18:07 build.log
dr-xr-xr-x 8 ubuntu ubuntu 4.0K Jul  6 18:07 powerpc64le-linux-gnu