Revert "ci: do not run windows yet"

This reverts commit d19abff.

Author: Boshen

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest, macos-latest, windows-latest]
 
     runs-on: ${{ matrix.os }}