ci: pin Windows runner to windows-2022

The windows-latest image is rolling out VS2026, whose Conan support is
still poor. Pin both workflows to the windows-2022 runner to keep CI on
the VS2022 (MSVC 17.x) toolchain.

Author: FlyAndNotDown

.github/workflows/build.yml

@@ -19,7 +19,7 @@ jobs:
   build:
     strategy:
       matrix:
-        os: ['windows-latest', 'macOS-latest']
+        os: ['windows-2022', 'macOS-latest']
 
     runs-on: ${{ matrix.os }}
 

.github/workflows/publish-conan-recipes.yml

@@ -29,7 +29,7 @@ jobs:
         # cppstd is pinned per platform to match the binaries already on the remote; consumers on a
         # higher standard (the engine uses C++20) still match via Conan's default compatibility plugin.
         include:
-          - os: windows-latest
+          - os: windows-2022
             cppstd: '17'
           - os: macOS-latest
             cppstd: gnu17