Both instances of Example Test only run on ubuntu-latest

Author: moward98

.github/workflows/validate.yml

@@ -103,6 +103,7 @@ jobs:
         python -m pytest src/onepassword/test_client.py
 
     - name: Example Test
+      if: matrix.os == 'ubuntu-latest'
       env:
         OP_SERVICE_ACCOUNT_TOKEN: ${{ secrets.TEST_SERVICE_ACCOUNT_TOKEN }}
         OP_VAULT_ID: ${{ secrets.TEST_SERVICE_ACCOUNT_VAULT_ID }}