Fix typo in query.js

lib/query.js

@@ -56,7 +56,7 @@ function normalize(input) {
 function expandValue(value) {
   if (common.typeOf(value) === common.ARRAY_TYPE) {
     let a = [];
-    for (const j of value) a = a.conact(expandValue(j));
+    for (const j of value) a = a.concat(expandValue(j));
     return [a];
   } else if (common.typeOf(value) !== common.OBJECT_TYPE) {
     const n = normalize(value);