Update param type

Author: kgryte

lib/node_modules/@stdlib/utils/define-property/docs/repl.txt

@@ -13,7 +13,7 @@
     obj: Object
         Object on which to define the property.
 
-    prop: string
+    prop: string|symbol
         Property name.
 
     descriptor: Object

lib/node_modules/@stdlib/utils/define-property/lib/builtin.js

@@ -30,7 +30,7 @@
 * @name defineProperty
 * @type {Function}
 * @param {Object} obj - object on which to define the property
-* @param {string} prop - property name
+* @param {(string|symbol)} prop - property name
 * @param {Object} descriptor - property descriptor
 * @param {boolean} [descriptor.configurable=false] - boolean indicating if property descriptor can be changed and if the property can be deleted from the provided object
 * @param {boolean} [descriptor.enumerable=false] - boolean indicating if the property shows up when enumerating object properties