Bump Swashbuckle.AspNetCore from 6.7.3 to 6.8.0

Bumps [Swashbuckle.AspNetCore](https://github.com/domaindrivendev/Swashbuckle.AspNetCore) from 6.7.3 to 6.8.0.
- [Release notes](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/releases)
- [Commits](domaindrivendev/Swashbuckle.AspNetCore@v6.7.3...v6.8.0)

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

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

Directory.Packages.props

@@ -21,7 +21,7 @@
         <PackageVersion Include="TypedSignalR.Client" Version="3.5.2" />
         <PackageVersion Include="TypedSignalR.Client.Attributes" Version="1.1.0" />
         <PackageVersion Include="TypedSignalR.Client.DevTools" Version="1.2.4" />
-        <PackageVersion Include="Swashbuckle.AspNetCore" Version="6.7.3" />
+        <PackageVersion Include="Swashbuckle.AspNetCore" Version="6.8.0" />
         <PackageVersion Include="ConsoleAppFramework" Version="4.2.4" />
         <PackageVersion Include="MessagePack" Version="2.5.172" />
         <PackageVersion Include="MessagePack.AspNetCoreMvcFormatter" Version="2.5.129" />