ci: bump windows to latest

Author: william-silversmith

.github/workflows/build_wheel.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-2019]
+        os: [ubuntu-latest, macos-latest, windows-latest]
         arch: [auto]
         include:
           - os: ubuntu-latest