[3006.x] Fix pkg.removed with multiple versions on Windows

[twangboy]

What does this PR do?

Fixes an issue with pkg.removed when removing a package that has multiple versions installed on Windows. Also fixes some of the package tests to work on Windows by setting up winrepo with the test suite paths.

What issues does this PR fix or reference?

Fixes #61001

Previous Behavior

The software would be removed but would report a failure

New Behavior

The state now finishes successfully

Merge requirements satisfied?

[NOTICE] Bug fixes or features added to Salt require tests.

• [ ] Docs
• [x] Changelog - https://docs.saltproject.io/en/master/topics/development/changelog.html
• [x] Tests written/updated

Commits signed with GPG?

Yes