src: update NODE_MODULE_VERSION to 62

Major V8 updates are usually API/ABI incompatible with previous
versions. This commit adapts NODE_MODULE_VERSION for V8 6.5.

Refs: https://github.com/nodejs/CTC/blob/master/meetings/2016-09-28.md

Author: nodejs-ci

src/node_version.h

@@ -104,9 +104,10 @@
  * V8 6.1: 58
  * V8 6.2: 59
  * V8 6.3: 60
+ * V8 6.5: 62
  *
  * More information can be found at https://nodejs.org/en/download/releases/
  */
-#define NODE_MODULE_VERSION 60
+#define NODE_MODULE_VERSION 62
 
 #endif  // SRC_NODE_VERSION_H_