Bump Swashbuckle to 6.4.0

src/NzbDrone.Host/Prowlarr.Host.csproj

@@ -7,7 +7,7 @@
     <PackageReference Include="NLog.Extensions.Logging" Version="5.0.0" />
     <PackageReference Include="System.Text.Encoding.CodePages" Version="6.0.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting.WindowsServices" Version="6.0.0" />
-    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerGen" Version="6.3.1" />
+    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerGen" Version="6.4.0" />
     <PackageReference Include="DryIoc.dll" Version="5.2.2" />
     <PackageReference Include="DryIoc.Microsoft.DependencyInjection" Version="6.1.0" />
   </ItemGroup>