charliecloud change psmn img path

src/nextflow.config

@@ -81,7 +81,7 @@ profiles {
   }
   psmn {
     charliecloud.enabled = true
-    charliecloud.cacheDir = "/Xnfs/abc/charliecloud_img"
+    charliecloud.cacheDir = "/Xnfs/abc/charliecloud"
     charliecloud.runOptions = "--bind /scratch:/scratch --bind /Xnfs:/Xnfs"
     process{
       errorStrategy = { sleep(Math.pow(2, task.attempt) * 200 as long); return 'retry' }