Revert "[CI] bump level-zero version"

[uditagarwal97]

Reverts #17485
It's causing arc and gen12 jobs to fail:
https://github.com/intel/llvm/actions/runs/13930776997/job/38988553691?pr=17513
https://github.com/intel/llvm/actions/runs/13931604336/job/38990417392

[uditagarwal97]

@igchor FYI

[nrspruit]

@uditagarwal97 and @igchor , there was a bug that became exposed in the runtime of the 1.21.2 loader, this is fixed with v1.21.3 here:
https://github.com/oneapi-src/level-zero/releases/tag/v1.21.3

Please redo the update with v1.21.3

[igchor]

@uditagarwal97 and @igchor , there was a bug that became exposed in the runtime of the 1.21.2 loader, this is fixed with v1.21.3 here: https://github.com/oneapi-src/level-zero/releases/tag/v1.21.3

Please redo the update with v1.21.3

Done: #17523