Update dependency Microsoft.Extensions.TimeProvider.Testing to v9

Author: dependencyupdates[bot]

src/Directory.Packages.props

@@ -27,7 +27,7 @@
     <PackageVersion Include="Microsoft.Extensions.Logging" Version="8.0.1" />
     <PackageVersion Include="Microsoft.Extensions.Logging.Configuration" Version="8.0.1" />
     <PackageVersion Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.3" />
-    <PackageVersion Include="Microsoft.Extensions.TimeProvider.Testing" Version="8.10.0" />
+    <PackageVersion Include="Microsoft.Extensions.TimeProvider.Testing" Version="9.9.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageVersion Include="Microsoft-WindowsAPICodePack-Shell" Version="1.1.5" />
     <PackageVersion Include="Mindscape.Raygun4Net.NetCore" Version="11.2.1" />