build(deps): Bump phin and testcafe-browser-provider-browserstack

Removes [phin](https://github.com/ethanent/phin). It's no longer used after updating ancestor dependency [testcafe-browser-provider-browserstack](https://github.com/DevExpress/testcafe-browser-provider-browserstack). These dependencies need to be updated together.


Removes `phin`

Updates `testcafe-browser-provider-browserstack` from 1.13.1 to 1.15.2
- [Release notes](https://github.com/DevExpress/testcafe-browser-provider-browserstack/releases)
- [Commits](DevExpress/testcafe-browser-provider-browserstack@v1.13.1...v1.15.2)

---
updated-dependencies:
- dependency-name: phin
  dependency-type: indirect
- dependency-name: testcafe-browser-provider-browserstack
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>