Bump Microsoft.Extensions.TimeProvider.Testing in the microsoft group

Bumps the microsoft group with 1 update: [Microsoft.Extensions.TimeProvider.Testing](https://github.com/dotnet/extensions).


Updates `Microsoft.Extensions.TimeProvider.Testing` from 8.9.0 to 8.9.1
- [Release notes](https://github.com/dotnet/extensions/releases)
- [Commits](https://github.com/dotnet/extensions/commits)

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.TimeProvider.Testing
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: microsoft
...

Signed-off-by: dependabot[bot] <[email protected]>

src/Apple.AppStoreConnect.Tests/Apple.AppStoreConnect.Tests.csproj

@@ -33,7 +33,7 @@
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net8.0' ">
-    <PackageReference Include="Microsoft.Extensions.TimeProvider.Testing" Version="8.9.0" />
+    <PackageReference Include="Microsoft.Extensions.TimeProvider.Testing" Version="8.9.1" />
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.FileProviders.Embedded" Version="8.0.8" />
     <PackageReference Include="Microsoft.Extensions.FileProviders.Physical" Version="8.0.0" />