let's just try windows-2019 for now

Author: jbboehr

.github/workflows/windows.yml

@@ -18,7 +18,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                operating-system: ["windows-latest"]
+                operating-system: ["windows-2019"]
                 php-versions: ["8.1", "8.2", "8.3"]
                 ts: ["ts", "nts"]
                 vc_num: ["vs16"]