Update windows build from windows-2019 -> 2022 image

windows-2019 is a deprecated github runner. Updating to 2022 which is
considered `latest`.

Author: dibenede

.github/workflows/build.yml

@@ -68,10 +68,10 @@ jobs:
 #          - ppc64
         include:
 # to ensure backwards compatibility as long as possible, use earliest versions of OSs available on Github Actions
-          - os: windows-2019
+          - os: windows-2022
             cpu: x64_windows
             bazel_target: dist_zip
-          - os: windows-2019
+          - os: windows-2022
             cpu: x64_x86_windows
             bazel_target: dist_zip
 # disabling Mac OS releases for now since they are working through existing build process