Bump RabbitMQ.Client from 6.5.0 to 6.8.1

Bumps [RabbitMQ.Client](https://github.com/rabbitmq/rabbitmq-dotnet-client) from 6.5.0 to 6.8.1.
- [Release notes](https://github.com/rabbitmq/rabbitmq-dotnet-client/releases)
- [Changelog](https://github.com/rabbitmq/rabbitmq-dotnet-client/blob/main/CHANGELOG.md)
- [Commits](rabbitmq/rabbitmq-dotnet-client@v6.5.0...v6.8.1)

---
updated-dependencies:
- dependency-name: RabbitMQ.Client
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

src/Motor.Extensions.Hosting.RabbitMQ/Motor.Extensions.Hosting.RabbitMQ.csproj

@@ -9,7 +9,7 @@
         <PackageReference Include="Microsoft.Extensions.Options" Version="8.0.2" />
         <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="8.0.0" />
         <PackageReference Include="CloudNative.CloudEvents.SystemTextJson" Version="2.7.1" />
-        <PackageReference Include="RabbitMQ.Client" Version="6.5.0" />
+        <PackageReference Include="RabbitMQ.Client" Version="6.8.1" />
     </ItemGroup>
 
     <ItemGroup>