Bump test SDK version

Author: mhegazy

.github/workflows/test-setup-build.yml

@@ -20,7 +20,7 @@ on:
         type: string
 
 env:
-  TEST_WIN_SDK_VERSION: "10.0.22000.0"
+  TEST_WIN_SDK_VERSION: "10.0.22621.0"
   TEST_MSVC_VERSION: "14.40"
   TEST_BUILD_TOOLS_EXPECTED_VERSION: "14.40.33807"
   TEST_UPSTREAM_SWIFT_VERSION: "5.10"