Bump Swashbuckle.AspNetCore from 6.8.1 to 6.9.0

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
...

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

Author: dependabot[bot]

App/Directory.Packages.props

@@ -9,6 +9,6 @@
     <PackageVersion Include="Serilog" Version="4.0.2" />
     <PackageVersion Include="Serilog.Extensions.Hosting" Version="8.0.0" />
     <PackageVersion Include="Serilog.Sinks.Console" Version="6.0.0" />
-    <PackageVersion Include="Swashbuckle.AspNetCore" Version="6.8.1" />
+    <PackageVersion Include="Swashbuckle.AspNetCore" Version="6.9.0" />
   </ItemGroup>
 </Project>