fix: Disable dev-server package detection on windows

[dr1rrb]

fixes https://github.com/unoplatform/uno.ui.runtimetests.engine/issues/173

Bugfix

Disable dev-server package detection on windows as package is empty on that target

What is the current behavior?

Build fail on windows is including the runtime test package

What is the new behavior?

Build succeed

PR Checklist

• [ ] Tested code with current supported SDKs
• [ ] Docs have been added/updated which fit documentation template. (for bug fixes / features)
• [ ] Unit Tests and/or UI Tests for the changes have been added (for bug fixes / features) (if applicable)
• [ ] Wasm UI Tests are not showing unexpected any differences. Validate PR Screenshots Compare Test Run results.
• [x] Contains NO breaking changes
• [ ] Updated the Release Notes
• [x] Associated with an issue (GitHub or internal)