Bump TUnit from 1.21.20 to 1.21.24 (#953)

Updated [TUnit](https://github.com/thomhurst/TUnit) from 1.21.20 to
1.21.24.

<details>
<summary>Release notes</summary>

_Sourced from [TUnit's
releases](https://github.com/thomhurst/TUnit/releases)._

## 1.21.24

<!-- Release notes generated using configuration in .github/release.yml
at v1.21.24 -->

## What's Changed
### Other Changes
* Fix OpenTelemetry missing root span by reordering session activity
lifecycle by @​Copilot in thomhurst/TUnit#5245
### Dependencies
* chore(deps): update tunit to 1.21.20 by @​thomhurst in
thomhurst/TUnit#5241
* chore(deps): update dependency stackexchange.redis to 2.12.8 by
@​thomhurst in thomhurst/TUnit#5243


**Full Changelog**:
thomhurst/TUnit@v1.21.20...v1.21.24

Commits viewable in [compare
view](thomhurst/TUnit@v1.21.20...v1.21.24).
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Directory.Packages.props

@@ -24,7 +24,7 @@
     <PackageVersion Include="Azure.Identity" Version="1.19.0" />
     <PackageVersion Include="Azure.Monitor.OpenTelemetry.AspNetCore" Version="1.4.0" />
     <PackageVersion Include="Microsoft.ApplicationInsights.Profiler.AspNetCore" Version="3.0.1" />
-    <PackageVersion Include="TUnit" Version="1.21.20" />
+    <PackageVersion Include="TUnit" Version="1.21.24" />
     <PackageVersion Include="EssentialCSharp.Shared.Models" Version="$(ToolingPackagesVersion)" />
     <PackageVersion Include="HtmlAgilityPack" Version="1.12.4" />
     <PackageVersion Include="IntelliTect.Multitool" Version="2.0.0" />