update spladder verison 2.4.4 & change gtf v93

defaults

 {   
-    "reference_gtf_file":"oss://pgx-reference-data/reference/spladder/SplAdder/data/reference/Homo_sapiens.GRCh38.103.gtf",
-    "spladder_docker":"registry.cn-shanghai.aliyuncs.com/pgx-docker-registry/spladder:v2.4.2",
+    "reference_gtf_file":"oss://pgx-reference-data/reference/annotation/Homo_sapiens.GRCh38.93.gtf",
+    "spladder_docker":"registry.cn-shanghai.aliyuncs.com/pgx-docker-registry/spladder:v2.4.4",
     "spladder_cluster":"OnDemand bcs.a2.xlarge img-ubuntu-vpc",
     "disk_size":"200"
     }