Update CI for windows

Author: sebheger

.github/workflows/test.yml

@@ -37,12 +37,12 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.7", "3.8", "3.9", "3.10", pypy3]
-        os: [macos-latest, ubuntu-18.04, ubuntu-20.04, windows-2019, windows-2016]
+        os: [macos-latest, ubuntu-18.04, ubuntu-20.04, windows-2019, windows-2022]
         exclude:
           # excludes pypy Windows because only 32 bit pypy is supported.
           - os: windows-2019
             python-version: pypy3
-          - os: windows-2016
+          - os: windows-2022
             python-version: pypy3
           # temporarily exclude pypy3 on macos
           - os: macos-latest