Update browserstacktunnel-wrapper to 1.3.0

Use latest version of the tunnel wrapper as it now uses the win32 binary as in:

https://github.com/pghalliday/node-BrowserStackTunnel/commit/c3748abcc9988aca7e8857afe457889e4543a035

Couldn't get this launcher to work on Windows, using 1.3.0 was the fix.