Run resolve environment test against Ubuntu only

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

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

@@ -38,22 +38,10 @@ jobs:
         include:
           - os: ubuntu-latest
             version: default
-          - os: macos-latest
-            version: default
-          - os: windows-latest
-            version: default
           - os: ubuntu-latest
             version: linked
-          - os: macos-latest
-            version: linked
-          - os: windows-latest
-            version: linked
           - os: ubuntu-latest
             version: nightly-latest
-          - os: macos-latest
-            version: nightly-latest
-          - os: windows-latest
-            version: nightly-latest
     name: Resolve environment
     permissions:
       contents: read

pr-checks/checks/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