Describe the bug
When Running the elasticsearch driver in the latest version I get the following:
The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type undefined

To Reproduce
Steps to reproduce the behavior:
Use ElasticSearch Cloud driver with demo data and CubeJS playground

Expected behavior
No error on requesting data from elastic

Screenshots
If applicable, add screenshots to help explain your problem.

Version:
0.19.13

Additional context