Bump Microsoft.NET.Sdk.Functions from 4.2.0 to 4.6.0

Bumps [Microsoft.NET.Sdk.Functions](https://github.com/Azure/azure-functions-vs-build-sdk) from 4.2.0 to 4.6.0.
- [Release notes](https://github.com/Azure/azure-functions-vs-build-sdk/releases)
- [Commits](https://github.com/Azure/azure-functions-vs-build-sdk/commits)

---
updated-dependencies:
- dependency-name: Microsoft.NET.Sdk.Functions
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

samples/Samples.AzureFunctions/Samples.AzureFunctions.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.Azure.Functions.Extensions" Version="1.1.0" />
-    <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="4.2.0" />
+    <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="4.6.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\src\Transports.AspNetCore\Transports.AspNetCore.csproj" />