Bump Confluent.Kafka from 2.4.0 to 2.5.2 (#336)

Bumps [Confluent.Kafka](https://github.com/confluentinc/confluent-kafka-dotnet) from 2.4.0 to 2.5.2.
- [Release notes](https://github.com/confluentinc/confluent-kafka-dotnet/releases)
- [Changelog](https://github.com/confluentinc/confluent-kafka-dotnet/blob/master/CHANGELOG.md)
- [Commits](confluentinc/confluent-kafka-dotnet@v2.4.0...v2.5.2)

---
updated-dependencies:
- dependency-name: Confluent.Kafka
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

source/Directory.Packages.props

@@ -15,7 +15,7 @@
     <PackageVersion Include="Microsoft.IO.RecyclableMemoryStream" Version="3.0.1" />
     <PackageVersion Include="Microsoft.EntityFrameworkCore.Abstractions" Version="8.0.7" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.1" />
-    <PackageVersion Include="Confluent.Kafka" Version="2.4.0" />
+    <PackageVersion Include="Confluent.Kafka" Version="2.5.2" />
     <PackageVersion Include="Scrutor" Version="4.2.2" />
   </ItemGroup>
 </Project>