Migrate gauge-js to be an es module

[zabil]

Is your feature request related to a problem? Please describe.

Newer versions of gauge-js dependencies require using ES module type imports,
like in the case of chai.

This makes it hard to upgrade gauge dependencies, which can result in using
old packages and having issues with dependencies.

Describe the solution you'd like
Migrate gauge-js to be an ES module

Describe alternatives you've considered

Switching from using chai to the built-in "node:assert" module, but this issue
might come up again with another dependency in the future.

Additional context
Refer #655