API/DOC: Update worker definition.
API/DOC: Update worker definition.

abouteiller/ucx,manjugv/ucx,abouteiller/ucx,abouteiller/ucx,manjugv/ucx,manjugv/ucx,sergsagal1/ucx_rocm,sergsagal1/ucx_rocm,shssf/ucx,abouteiller/ucx,shssf/ucx,shssf/ucx,sergsagal1/ucx_rocm