Update unit-tests.yaml

Author: KRRT7

.github/workflows/unit-tests.yaml

@@ -12,8 +12,9 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.9", "3.10", "3.11", "3.12"]
+        os: [ubuntu-latest, windows-latest]
     continue-on-error: true
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
         with: