update to new service instance

[jgw96]

fixes https://github.com/pwa-builder/PWABuilder/issues/4823

PR Type

Bugfix

Describe the current behavior?

Service was broken, unfortunately I must be light on details here.

Describe the new behavior?

Pointing to our new instance of the main test service.

PR Checklist

• [x ] Test: run npm run test and ensure that all tests pass
• [ x] Target main branch (or an appropriate release branch if appropriate for a bug fix)
• [ x] Ensure that your contribution follows standard accessibility guidelines. Use tools like https://webhint.io/ to validate your changes.

Additional Information

[microsoft-github-policy-service[bot]]

Thanks jgw96 for opening a Pull Request! The reviewers will test the PR and highlight if there is any conflict or changes required. If the PR is approved we will proceed to merge the pull request 🙌