update cwl file to use the new docker image tag
update cwl file to use the new docker image tag

ICGC-TCGA-PanCancer/CGP-Somatic-Docker,ICGC-TCGA-PanCancer/CGP-Somatic-Docker,ICGC-TCGA-PanCancer/CGP-Somatic-Docker,ICGC-TCGA-PanCancer/CGP-Somatic-Docker