chore(deps): update dependency grpc.tools to v2.50.0 (#356)

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

Author: renovate[bot]

dotnet/LibHokchew.Shared/src/LibHokchew.Shared.csproj

@@ -11,7 +11,7 @@
   <ItemGroup>
     <PackageReference Include="Google.Protobuf" Version="3.21.8" />
     <PackageReference Include="Grpc.Core" Version="2.46.5" />
-    <PackageReference Include="Grpc.Tools" Version="2.49.1">
+    <PackageReference Include="Grpc.Tools" Version="2.50.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>