Bump Swashbuckle.AspNetCore in /FeatureFlags/FeatureFlags.Tests

Bumps [Swashbuckle.AspNetCore](https://github.com/domaindrivendev/Swashbuckle.AspNetCore) from 6.2.2 to 6.2.3.
- [Release notes](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/releases)
- [Commits](domaindrivendev/Swashbuckle.AspNetCore@v6.2.2...v6.2.3)

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

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

FeatureFlags/FeatureFlags.Service/FeatureFlags.Service.csproj

@@ -14,7 +14,7 @@
     <PackageReference Include="Microsoft.Azure.Services.AppAuthentication" Version="1.6.2" />
     <PackageReference Include="Microsoft.Extensions.Configuration.AzureKeyVault" Version="3.1.20" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="5.0.2" />
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.2.2" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.2.3" />
 
   </ItemGroup>