Bump Swashbuckle.AspNetCore.SwaggerUI from 6.7.3 to 6.8.1

Bumps [Swashbuckle.AspNetCore.SwaggerUI](https://github.com/domaindrivendev/Swashbuckle.AspNetCore) from 6.7.3 to 6.8.1.
- [Release notes](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/releases)
- [Commits](domaindrivendev/Swashbuckle.AspNetCore@v6.7.3...v6.8.1)

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

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

Hoo.Service/Hoo.Service.csproj

@@ -21,6 +21,6 @@
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.8" />
     <PackageReference Include="Swashbuckle.AspNetCore.Swagger" Version="6.7.3" />
     <PackageReference Include="Swashbuckle.AspNetCore.SwaggerGen" Version="6.7.3" />
-    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="6.7.3" />
+    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="6.8.1" />
   </ItemGroup>
 </Project>