github: actions: build: switch to the windows-2025 runner image

Switch to using the windows-2025 (Windows Server 2025) runner image.

Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>

Author: henrikbrixandersen

.github/workflows/build.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-24.04, macos-15, windows-2022]
+        os: [ubuntu-24.04, macos-15, windows-2025]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout