[GHA] Uplift Linux IGC Dev RT version to igc-dev-6ee988a#16206

sarnex merged 1 commit intosyclintel/llvm:syclfrom

ci/update_gpu_driver-linux-igc-dev-6ee988aintel/llvm:ci/update_gpu_driver-linux-igc-dev-6ee988aCopy head branch name to clipboard