update to latest nan (older one did not build against Node 12)

DanCummins-SAP · DanCummins-SAP · commit 330e591e007e · 2021-03-08T12:37:46.000-05:00
diff --git a/package.json b/package.json
@@ -15,6 +15,6 @@
   },
   "dependencies": {
     "help": "^3.0.2",
-    "nan": "2.11.1"
+    "nan": "2.14.2"
   }
 }
