build(deps): bump Polly from 8.4.2 to 8.5.2 in /src

Bumps [Polly](https://github.com/App-vNext/Polly) from 8.4.2 to 8.5.2.
- [Release notes](https://github.com/App-vNext/Polly/releases)
- [Changelog](https://github.com/App-vNext/Polly/blob/main/CHANGELOG.md)
- [Commits](App-vNext/Polly@8.4.2...8.5.2)

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

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

Author: dependabot[bot]

src/Fluss/Fluss.csproj

@@ -22,7 +22,7 @@
         <PackageReference Include="Microsoft.Extensions.ObjectPool" Version="8.0.8" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.3"/>
         <PackageReference Include="OpenTelemetry.Api" Version="1.10.0" />
-        <PackageReference Include="Polly" Version="8.4.2" />
+        <PackageReference Include="Polly" Version="8.5.2" />
         <PackageReference Include="Polly.Contrib.WaitAndRetry" Version="1.1.1"/>
     </ItemGroup>