message: Update default IPEX version to 1.2.0
diff: @@ -99,7 +99,7 @@ def get_git_head_sha(base_dir):
  def get_build_version(ipex_git_sha):
  - version = os.getenv('TORCH_IPEX_VERSION', '1.0.0')
  + version = os.getenv('TORCH_IPEX_VERSION', '1.2.0')
  if _check_env_flag('VERSIONED_IPEX_BUILD', default='0'):
  try:
  version += '+' + ipex_git_sha[:7]
  