move off windows-2019 for numpy build

Author: mattip

.github/workflows/numpy.yml

@@ -27,7 +27,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-2019]
+        os: [ubuntu-latest, macos-latest, windows-latest]
         python_version: [pypy-3.11-nightly]
 
     timeout-minutes: 120