Bump Grpc.Tools in /src/Tests/Coding.Blog.UnitTests

Bumps [Grpc.Tools](https://github.com/grpc/grpc) from 2.42.0 to 2.43.0.
- [Release notes](https://github.com/grpc/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](https://github.com/grpc/grpc/commits)

---
updated-dependencies:
- dependency-name: Grpc.Tools
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

src/Coding.Blog/Engine/Coding.Blog.Engine.csproj

@@ -11,7 +11,7 @@
 		<PackageReference Include="Flurl.Http" Version="3.2.0" />
 		<PackageReference Include="Google.Protobuf" Version="3.19.1" />
 		<PackageReference Include="Grpc.Net.Client" Version="2.41.0" />
-		<PackageReference Include="Grpc.Tools" Version="2.42.0">
+		<PackageReference Include="Grpc.Tools" Version="2.43.0">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>