build(deps): bump Grpc.Tools

Bumps the nuget-production-dependencies group with 1 update in the /src/accounting directory: [Grpc.Tools](https://github.com/grpc/grpc).


Updates `Grpc.Tools` from 2.68.1 to 2.69.0
- [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
  dependency-group: nuget-production-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/accounting/Accounting.csproj

@@ -11,7 +11,7 @@
 	<ItemGroup>
 		<PackageReference Include="Confluent.Kafka" Version="2.8.0" />
 		<PackageReference Include="Google.Protobuf" Version="3.29.3" />
-		<PackageReference Include="Grpc.Tools" Version="2.68.1">
+		<PackageReference Include="Grpc.Tools" Version="2.69.0">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>