Update: samtools_docker version

defaults

@@ -23,7 +23,7 @@
   "sentieon_docker": "registry.cn-shanghai.aliyuncs.com/pgx-docker-registry/sentieon-genomics:v202010.02",
   "varscan_docker": "registry.cn-shanghai.aliyuncs.com/pgx-docker-registry/varscan2:v2.4.3",
   "pindel_docker": "registry.cn-shanghai.aliyuncs.com/pgx-docker-registry/pindel:0.2.5b9_3",
-  "samtools_docker": "registry-vpc.cn-shanghai.aliyuncs.com/pgx-docker-registry/samtools:1.13",
+  "samtools_docker": "registry.cn-shanghai.aliyuncs.com/pgx-docker-registry/samtools:1.13",
   "annovar_docker": "registry.cn-shanghai.aliyuncs.com/pgx-docker-registry/annovar:v2019.10",
   "vep_docker": "registry.cn-shanghai.aliyuncs.com/pgx-docker-registry/vep:v104.0",
   "cache": "oss://pgx-reference-data/ensembl_vep/",