Build(deps): Bump Serilog.Sinks.Async from 2.0.0 to 2.1.0

Bumps [Serilog.Sinks.Async](https://github.com/serilog/serilog-sinks-async) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/serilog/serilog-sinks-async/releases)
- [Commits](serilog/serilog-sinks-async@v2.0.0...v2.1.0)

---
updated-dependencies:
- dependency-name: Serilog.Sinks.Async
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

src/Bot/Bot.csproj

@@ -22,7 +22,7 @@
         <PackageReference Include="Serilog.Enrichers.Thread" Version="4.0.0" />
         <PackageReference Include="Serilog.Extensions.Hosting" Version="8.0.0" />
         <PackageReference Include="Serilog.Extensions.Logging" Version="8.0.0" />
-        <PackageReference Include="Serilog.Sinks.Async" Version="2.0.0" />
+        <PackageReference Include="Serilog.Sinks.Async" Version="2.1.0" />
         <PackageReference Include="Serilog.Sinks.MongoDB" Version="6.0.0" />
     </ItemGroup>