Bump Grpc.Net.Client

Bumps [Grpc.Net.Client](https://github.com/grpc/grpc-dotnet) from 2.49.0 to 2.52.0.
- [Release notes](https://github.com/grpc/grpc-dotnet/releases)
- [Changelog](https://github.com/grpc/grpc-dotnet/blob/master/doc/release_process.md)
- [Commits](grpc/grpc-dotnet@v2.49.0...v2.52.0)

---
updated-dependencies:
- dependency-name: Grpc.Net.Client
  dependency-type: direct:production
...

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

src/Tests/SlimMessageBus.Host.Serialization.GoogleProtobuf.Test/SlimMessageBus.Host.Serialization.GoogleProtobuf.Test.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <Import Project="../Host.Test.Properties.xml" />
 
@@ -9,7 +9,7 @@
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="Grpc.Net.Client" Version="2.49.0" />
+        <PackageReference Include="Grpc.Net.Client" Version="2.52.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
         <PackageReference Include="xunit" Version="2.4.2" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">