chore(deps): update dependency microsoft.featuremanagement.aspnetcore to v4 (#877)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Directory.Packages.props

@@ -41,7 +41,7 @@
     <PackageVersion Include="Microsoft.Extensions.Logging.Debug" Version="8.0.1" />
     <PackageVersion Include="Microsoft.Extensions.Options" Version="8.0.2" />
     <PackageVersion Include="Microsoft.Extensions.Telemetry.Abstractions" Version="8.10.0" />
-    <PackageVersion Include="Microsoft.FeatureManagement.AspNetCore" Version="3.5.0" />
+    <PackageVersion Include="Microsoft.FeatureManagement.AspNetCore" Version="4.0.0" />
     <PackageVersion Include="Microsoft.IdentityModel.Logging" Version="8.1.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageVersion Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.21.0" />