chore(deps): bump Swashbuckle.AspNetCore from 6.7.3 to 6.8.1

Bumps [Swashbuckle.AspNetCore](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
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Dotnet.Samples.AspNetCore.WebApi/Dotnet.Samples.AspNetCore.WebApi.csproj

@@ -17,7 +17,7 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="8.0.8" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.8" />
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.8" />
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.7.3" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.8.1" />
   </ItemGroup>
 
   <ItemGroup>