chore: remove mac and windows from the CI (#5)

Author: bdraco

.github/workflows/ci.yml

@@ -43,8 +43,6 @@ jobs:
           - "3.13"
         os:
           - ubuntu-latest
-          - windows-latest
-          - macOS-latest
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4