Require Node.js 10.13

Also drops support for Node.js 11 and 13

Author: realityking

package.json

@@ -21,7 +21,7 @@
     "graph"
   ],
   "engines": {
-    "node": ">=10.x.x"
+    "node": "^10.13 || ^12 || >=14"
   },
   "main": "./lib/api",
   "bin": {