Update WinHttpHandler package (#1999)

Author: CarnaViire

src/BenchmarksApps/HttpClientBenchmarks/Clients/HttpClient/HttpClient.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ServerGarbageCollection>true</ServerGarbageCollection>
   </PropertyGroup>
@@ -14,7 +14,7 @@
   <ItemGroup>
     <PackageReference Include="System.CommandLine" Version="2.0.0-beta2.21617.1" />
     <PackageReference Include="Microsoft.Crank.EventSources" Version="0.1.0-alpha.20501.1" />
-    <PackageReference Include="System.Net.Http.WinHttpHandler" Version="6.0.0" />
+    <PackageReference Include="System.Net.Http.WinHttpHandler" Version="8.0.0" />
   </ItemGroup>
 
 </Project>