Bump Swashbuckle.AspNetCore in /FeatureFlags/FeatureFlags.Service (#316)

Bumps [Swashbuckle.AspNetCore](https://github.com/domaindrivendev/Swashbuckle.AspNetCore) from 6.1.2 to 6.1.3.
- [Release notes](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/releases)
- [Commits](domaindrivendev/Swashbuckle.AspNetCore@v6.1.2...v6.1.3)

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FeatureFlags/FeatureFlags.Service/FeatureFlags.Service.csproj

@@ -16,7 +16,7 @@
     <PackageReference Include="Microsoft.Azure.Services.AppAuthentication" Version="1.6.1" />
     <PackageReference Include="Microsoft.Extensions.Configuration.AzureKeyVault" Version="3.1.14" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="5.0.2" />
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.1.2" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.1.3" />
 
   </ItemGroup>