Bump Microsoft.Extensions.TimeProvider.Testing from 8.8.0 to 8.9.1 (s…

…houldly#989)

Bumps [Microsoft.Extensions.TimeProvider.Testing](https://github.com/dotnet/extensions) from 8.8.0 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-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/Shouldly.Tests/Shouldly.Tests.csproj

@@ -19,7 +19,7 @@
     <PackageReference Include="GitHubActionsTestLogger" Version="2.4.1" PrivateAssets="all" />
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' != 'net48' ">
-    <PackageReference Include="Microsoft.Extensions.TimeProvider.Testing" Version="8.8.0" />
+    <PackageReference Include="Microsoft.Extensions.TimeProvider.Testing" Version="8.9.1" />
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'net48' ">
     <Reference Include="System.Runtime" />