chore(deps): [security] bump handlebars

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 1.0.12 to 4.4.5. **This update includes a security fix.**
- [Release notes](https://github.com/wycats/handlebars.js/releases)
- [Changelog](https://github.com/wycats/handlebars.js/blob/v4.4.5/release-notes.md)
- [Commits](https://github.com/wycats/handlebars.js/compare/v1.0.12...v4.4.5)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

tests/apps/.websocket.disabled/package.json

@@ -6,7 +6,7 @@
   "dependencies": {
     "express": "3.1.x",
     "connect": "*",
-    "handlebars": "~1.0.9",
+    "handlebars": "~4.4.5",
     "socket.io": "~2.3.0",
     "express3-handlebars": "~0.5.2"
   },