github/workflow: update windows os to windows-2022

Signed-off-by: Koichi Shiraishi <[email protected]>

Author: zchee

.github/workflows/test.yml

@@ -24,7 +24,7 @@ jobs:
         os:
           - ubuntu-20.04  # https://github.com/actions/virtual-environments/blob/main/images/linux/Ubuntu2004-README.md
           - macos-11.0    # https://github.com/actions/virtual-environments/blob/main/images/macos/macos-11-Readme.md
-          - windows-2019  # https://github.com/actions/virtual-environments/blob/main/images/win/Windows2019-Readme.md
+          - windows-2022  # https://github.com/actions/virtual-environments/blob/main/images/win/Windows2022-Readme.md
         go-version:
           - 1.15.x
           - 1.16.x