feat: add testcafe version logging, add version export(closes #6591)

[Artem-Babich]

Purpose

Add version logging on TestCafe start.
export DEBUG="testcafe:version"
Add ability to check version in reporter: #6591

Approach

Add logging
Add version export

API

// Any script file:
import {version} from 'testcafe';

console.log(version);

//reporter method:

{
   init (testcafeVersion) { 
      this.write(`Using TestCafe v${testcafeVersion}`).newline()
   }
}

Pre-Merge TODO

• Write tests for your proposed changes
• Make sure that existing tests do not fail

[miherlosev]

Also, I think the reporter should be able to get the TestCafe version in its hooks. So, it's necessary to add the getTestCafeVersion method to the ReporterPluginHost class.

[github-actions]

Release v3.1.0-rc.1 addresses this.