ci: set windows image to windows-2019

Attempting to workaround broken clang in windows-latest (2022)

.github/workflows/build.yml

@@ -14,39 +14,39 @@ jobs:
         - ares
         platform:
         - name: windows
-          os: windows-latest
+          os: windows-2019
           compiler: clang++
           windres: windres
           shell: 'msys2 {0}'
           msystem: clang64
           install: mingw-w64-clang-x86_64-clang mingw-w64-clang-x86_64-pkgconf mingw-w64-clang-x86_64-SDL2
         - name: windows-arm64
-          os: windows-latest
+          os: windows-2019
           compiler: clang++ --target=aarch64-w64-windows-gnu --sysroot=/clangarm64 -resource-dir=/clangarm64/lib/clang/$(basename "$(clang++ -print-resource-dir)")
           windres: windres --target=aarch64-w64-windows-gnu
           shell: 'msys2 {0}'
           msystem: clang64
           install: mingw-w64-clang-x86_64-clang mingw-w64-clang-aarch64-clang mingw-w64-clang-aarch64-pkgconf mingw-w64-clang-aarch64-SDL2
         - name: windows-msvc-x64
-          os: windows-latest
+          os: windows-2019
           compiler: clang++
           windres: llvm-rc
           shell: bash
           msvc-arch: x64
         - name: windows-msvc-arm64
-          os: windows-latest
+          os: windows-2019
           compiler: clang++ --target=aarch64-w64-windows-msvc
           windres: llvm-rc
           shell: bash
           msvc-arch: x64_arm64
         - name: windows-cl-x64
-          os: windows-latest
+          os: windows-2019
           compiler: cl
           windres: rc
           shell: bash
           msvc-arch: x64
         - name: windows-cl-arm64
-          os: windows-latest
+          os: windows-2019
           compiler: cl
           windres: rc
           shell: bash