fix: remove JSON_DLL from Release|x64 and update toolset to v145

Release|x64 builds use static jsoncpp linking, so __declspec(dllimport)
decorations from JSON_DLL cause unresolved symbol link errors. Remove
JSON_DLL from Release|x64 only; Release|Win32 retains it as those builds
use jsoncpp as a DLL.

Also update PlatformToolset from v143 to v145 (VS 2022 17.x).

Author: gizmocuz

webem.vcxproj

@@ -54,7 +54,7 @@
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>MultiByte</CharacterSet>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>v145</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -160,7 +160,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NOMINMAX;NDEBUG;WWW_ENABLE_SSL;WITH_TLS;HAVE_SNPRINTF;JSON_DLL;WEBSERVER_DONT_USE_ZIP;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NOMINMAX;NDEBUG;WWW_ENABLE_SSL;WITH_TLS;HAVE_SNPRINTF;WEBSERVER_DONT_USE_ZIP;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>include;src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <DebugInformationFormat>None</DebugInformationFormat>
@@ -223,4 +223,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>