chore: add windows testing checklist item (#759)

Author: Dane Pilcher

.github/PULL_REQUEST_TEMPLATE.md

@@ -29,6 +29,7 @@ the requirements below.
 - [ ] Relevant documentation is changed or added (and PR referenced)
 - [ ] Breaking changes to existing customers are released behind a feature flag or major version update
 - [ ] Changes are tested using sample applications for all relevant platforms (iOS/android/flutter/Javascript) that use the feature added/modified
+- [ ] Changes are tested on windows. Some Node functions (such as `path`) behave differently on windows.
 
 
-By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
+By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.