js/package.json: fix bundleDependencies to [] (was false)

This should fix the following warning from `npm publish`:

```
npm WARN publish npm auto-corrected some errors in your package.json when publishing.  Please run "npm pkg fix" to address these errors.
npm WARN publish errors corrected:
npm WARN publish "bundleDependencies" was changed from "false" to "[]"
```

js/package.json

@@ -6,7 +6,7 @@
   "bugs": {
     "url": "https://github.com/kaitai-io/kaitai_struct/issues"
   },
-  "bundleDependencies": false,
+  "bundleDependencies": [],
   "deprecated": false,
   "description": "Kaitai Struct Compiler",
   "homepage": "https://github.com/kaitai-io/kaitai_struct_compiler#readme",