Update ci.yaml

Author: JLBegin

.github/workflows/ci.yaml

@@ -7,8 +7,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-13]
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        os: [ubuntu-20.04, ubuntu-22.04, windows-latest]
+        python-version: ["3.9""3.12"]
 
     runs-on: ${{ matrix.os }}