fix(seed): Change variable name from array to args (#16472)

Changed variable name from array to args. It will validate the last validation. Particular variable name is required but it is not mentioned in description.

Closes #16351

challenges/02-javascript-algorithms-and-data-structures/es6.json

@@ -367,8 +367,8 @@
         "const sum = (function() {",
         "  \"use strict\";",
         "  return function sum(x, y, z) {",
-        "    const array = [ x, y, z ];",
-        "    return array.reduce((a, b) => a + b, 0);",
+        "    const args = [ x, y, z ];",
+        "    return args.reduce((a, b) => a + b, 0);",
         "  };",
         "})();",
         "console.log(sum(1, 2, 3)); // 6"