chore(deps): update dotnet monorepo (#229)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
     "rollForward": "latestFeature",
-    "version": "8.0.302"
+    "version": "8.0.400"
   }
 }

src/OpenFeature.Contrib.Providers.Flagd/OpenFeature.Contrib.Providers.Flagd.csproj

@@ -17,7 +17,7 @@
     </AssemblyAttribute>
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'net462'">
-    <PackageReference Include="System.Net.Http.WinHttpHandler" Version="8.0.0" />
+    <PackageReference Include="System.Net.Http.WinHttpHandler" Version="8.0.2" />
   </ItemGroup>
   <ItemGroup>
     <!-- The schema.proto file referenced here will be used to automatically generate the Grpc client when executing 'dotnet build' -->