bump argotk

pkgs/argotk/master.json

@@ -2,8 +2,8 @@
   "fetch": {
     "args": {
       "fetchSubmodules": false,
-      "rev": "0cedcda9bad764d4be251202eab3ed6dc418b978",
-      "sha256": "0b2nivrbdxyjg604p6m5mwm0bdf6rrkqxhvk8bm12sbbwpn9fqhb",
+      "rev": "2ce1c526ba0491f673e3b6e9934dc81c630c2d38",
+      "sha256": "1djiacs74kcl8q5dmcrcxpi8xf29hqsafgir7zh6n0q0447fbrq7",
       "url": "https://xgitlab.cels.anl.gov/argo/argotk.git"
     },
     "fn": "fetchgit"