Fix CI

Author: YexuanXiao

test/test_cpp23/test_cpp23.vcxproj

@@ -128,6 +128,7 @@
       <WarningLevel>Level4</WarningLevel>
       <TreatWarningAsError>true</TreatWarningAsError>
       <AdditionalOptions Condition="'$(Clang)'=='1'">%(AdditionalOptions) -flto -fwhole-program-vtables</AdditionalOptions>
+      <LanguageStandard>stdcpplatest</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -142,6 +143,7 @@
       <WarningLevel>Level4</WarningLevel>
       <TreatWarningAsError>true</TreatWarningAsError>
       <AdditionalOptions Condition="'$(Clang)'=='1'">%(AdditionalOptions) -flto -fwhole-program-vtables</AdditionalOptions>
+      <LanguageStandard>stdcpplatest</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -156,6 +158,7 @@
       <WarningLevel>Level4</WarningLevel>
       <TreatWarningAsError>true</TreatWarningAsError>
       <AdditionalOptions Condition="'$(Clang)'=='1'">%(AdditionalOptions) -flto -fwhole-program-vtables</AdditionalOptions>
+      <LanguageStandard>stdcpplatest</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -172,6 +175,7 @@
       <WarningLevel>Level4</WarningLevel>
       <TreatWarningAsError>true</TreatWarningAsError>
       <AdditionalOptions Condition="'$(Clang)'=='1'">%(AdditionalOptions) -O3 -flto -fwhole-program-vtables</AdditionalOptions>
+      <LanguageStandard>stdcpplatest</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -190,6 +194,7 @@
       <WarningLevel>Level4</WarningLevel>
       <TreatWarningAsError>true</TreatWarningAsError>
       <AdditionalOptions Condition="'$(Clang)'=='1'">%(AdditionalOptions) -O3 -flto -fwhole-program-vtables</AdditionalOptions>
+      <LanguageStandard>stdcpplatest</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -208,6 +213,7 @@
       <WarningLevel>Level4</WarningLevel>
       <TreatWarningAsError>true</TreatWarningAsError>
       <AdditionalOptions Condition="'$(Clang)'=='1'">%(AdditionalOptions) -O3 -flto -fwhole-program-vtables</AdditionalOptions>
+      <LanguageStandard>stdcpplatest</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -230,4 +236,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>