[CI] Make Graviton3 default AArch64 job runner node#14983

ekalda merged 2 commits intoapache:mainapache/tvm:mainfrom

Liam-Sturge:Make_Graviton3_default_AArch64_job_runner_nodeLiam-Sturge/tvm:Make_Graviton3_default_AArch64_job_runner_nodeCopy head branch name to clipboard