Add mgorny to allowed users

Per conda-forge/pytorch-cpu-feedstock#298 (comment)

Author: mgorny

access/conda-forge-users.json

@@ -71,6 +71,10 @@
     {
       "github": "Tobias-Fischer",
       "id": 5497832
+    },
+    {
+      "github": "mgorny",
+      "id": 110765
     }
   ]
 }