fix for trim param

dags/dag9_tenx_single_cell_immune_profiling.py

@@ -103,8 +103,8 @@ with dag:
                   'analysis_description_xcom_key':'analysis_description',
                   'analysis_name':analysis_name,
                   'run_id':run_id,
-                  'r1_length':0,
-                  'r2_length':0,
+                  'r1-length':0,
+                  'r2-length':0,
                   'fastq_input_dir_tag':'fastq_dir',
                   'use_ephemeral_space':True,
                   'fastq_output_dir_tag':'output_path'},