ci: Add Windows SDK 26100 to msvc image

Keep older 10.0.20348.0 SDK as well. Also change:
mesa_deps_test_piglit - Add CMAKE_POLICY_VERSION_MINIMUM=3.5 and _UCRT_NOISY_NAN
mesa_deps_test_deqp - Add CMAKE_POLICY_VERSION_MINIMUM=3.5 and CMAKE_SYSTEM_VERSION=10.0.20348.0
meson: When building with MSVC, add -D_UCRT_NOISY_NAN to workaround Win SDK 26100

D_UCRT_NOISY_NAN is for SDK 26100 issue:
https://developercommunity.visualstudio.com/t/NAN-is-no-longer-compile-time-constant-i/10688907

Reviewed-by: Pohsiang Hsu <pohhsu@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35264>

.gitlab-ci/windows/mesa_deps_msvc.ps1

@@ -32,7 +32,8 @@ Start-Process -NoNewWindow -Wait -FilePath C:\vs_buildtools.exe `
 "--add", "Microsoft.VisualStudio.ComponentGroup.VC.Tools.142.x86.x64", `
 "--add", "Microsoft.VisualStudio.Component.VC.Llvm.Clang", `
 "--add", "Microsoft.VisualStudio.Component.Graphics.Tools", `
-"--add", "Microsoft.VisualStudio.Component.Windows10SDK.20348"
+"--add", "Microsoft.VisualStudio.Component.Windows10SDK.20348", `
+"--add", "Microsoft.VisualStudio.Component.Windows11SDK.26100"
 
 if (!$?) {
   Write-Host "Failed to install Visual Studio tools"

.gitlab-ci/windows/mesa_deps_test_deqp.ps1

@@ -38,6 +38,8 @@ cmake -S $($deqp_source) `
 -B . `
 -GNinja `
 -DCMAKE_BUILD_TYPE=Release `
+-DCMAKE_POLICY_VERSION_MINIMUM="3.5" `
+-DCMAKE_SYSTEM_VERSION="10.0.20348.0" `
 -DDEQP_TARGET=default && `
 ninja -j32
 if (!$?) {

.gitlab-ci/windows/mesa_deps_test_piglit.ps1

@@ -69,6 +69,8 @@ cmake -S . -B . `
 -DPIGLIT_USE_WAFFLE=ON `
 -DWaffle_INCLUDE_DIRS="$waffle_install\include\waffle-1" `
 -DWaffle_LDFLAGS="$waffle_install\lib\libwaffle-1.a" `
+-DCMAKE_POLICY_VERSION_MINIMUM="3.5" `
+-DCMAKE_C_FLAGS="-D_UCRT_NOISY_NAN=1" `
 -DGLEXT_INCLUDE_DIR="$source_dir\glext" && `
 ninja -j32
 if (!$?) {