Run resolve environment test against Ubuntu only

There isn't really anything platform-specific at the moment.

Author: henrymercer

.github/workflows/__resolve-environment-action.yml

@@ -1,6 +1,5 @@
 name: "Resolve environment"
 description: "Tests that the resolve-environment action works for Go and JavaScript/TypeScript"
-operatingSystems: ["ubuntu", "macos", "windows"]
 versions: ["default", "linked", "nightly-latest"]
 steps:
   - uses: ./../action/init