Update CI to test Windows Server LTSC2022/2025 builds (#6939)

Signed-off-by: Neil Twigg <[email protected]>

Author: neilalexander

.github/workflows/tests.yaml

@@ -114,7 +114,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [windows-2019, windows-2022]
+        os: [windows-2022, windows-2025]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout