Bump Swashbuckle.AspNetCore from 6.8.1 to 6.9.0 (#2836)

Bumps [Swashbuckle.AspNetCore](https://github.com/domaindrivendev/Swashbuckle.AspNetCore) from 6.8.1 to 6.9.0.
- [Release notes](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/releases)
- [Commits](domaindrivendev/Swashbuckle.AspNetCore@v6.8.1...v6.9.0)

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

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

src/JoinRpg.Portal/JoinRpg.Portal.csproj

@@ -41,7 +41,7 @@
     <PackageReference Include="Serilog.Sinks.Console" Version="6.0.0" />
     <PackageReference Include="Serilog.Enrichers.Environment" Version="3.0.1" />
     <PackageReference Include="Serilog.Formatting.Elasticsearch" Version="10.0.0" />
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.8.1" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.9.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Joinrpg.AspNetCore.Helpers\Joinrpg.AspNetCore.Helpers.csproj" />