HPCC-34305 Windows 2019 to 2025 changes for 9.8.x

Signed-off-by: Michael Gardner <michael.gardner@lexisnexisrisk.com>

Author: Michael-Gardner

.github/workflows/prebuild-gh_envs.yml

@@ -25,7 +25,7 @@ jobs:
           [
             "ubuntu-20.04-x64",
             "ubuntu-22.04-x64",
-            "windows-2019-x64",
+            "windows-2025-x64",
             "windows-2022-x64",
             "macos-13-x64",
             "macos-14-arm64"
@@ -41,8 +41,8 @@ jobs:
             triplet: "x64-linux-dynamic"
             mono: "mono"
             sudo: "sudo"
-          - label: "windows-2019-x64"
-            os: "windows-2019"
+          - label: "windows-2025-x64"
+            os: "windows-2025"
             triplet: "x64-windows"
             mono: ""
             sudo: ""