Bump TUnit from 1.18.21 to 1.18.37 (#900)

Updated [TUnit](https://github.com/thomhurst/TUnit) from 1.18.21 to
1.18.37.

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

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

## 1.18.37

<!-- Release notes generated using configuration in .github/release.yml
at v1.18.37 -->

## What's Changed
### Other Changes
* Improve HTML report perf by @​slang25 in
thomhurst/TUnit#5077
* perf: remove `Action` allocation for `token.Register` by
@​TimothyMakkison in thomhurst/TUnit#5075
* fix(mocks): escape C# keyword parameter names in generated mock code
by @​thomhurst in thomhurst/TUnit#5091
* Support static abstract interface members in mock generation by
@​thomhurst in thomhurst/TUnit#5070
### Dependencies
* chore(deps): update tunit to 1.18.21 by @​thomhurst in
thomhurst/TUnit#5076
* chore(deps): update dependency polyfill to 9.16.0 by @​thomhurst in
thomhurst/TUnit#5080
* chore(deps): update dependency polyfill to 9.16.0 by @​thomhurst in
thomhurst/TUnit#5079
* chore(deps): update dependency polyfill to 9.17.0 by @​thomhurst in
thomhurst/TUnit#5082
* chore(deps): update dependency polyfill to 9.17.0 by @​thomhurst in
thomhurst/TUnit#5081
* chore(deps): update dependency polly to 8.6.6 by @​thomhurst in
thomhurst/TUnit#5084
* chore(deps): update dependency humanizer to 3.0.8 by @​thomhurst in
thomhurst/TUnit#5087
* chore(deps): update dependency polyfill to 9.18.0 by @​thomhurst in
thomhurst/TUnit#5090
* chore(deps): update dependency polyfill to 9.18.0 by @​thomhurst in
thomhurst/TUnit#5089


**Full Changelog**:
thomhurst/TUnit@v1.18.21...v1.18.37

Commits viewable in [compare
view](thomhurst/TUnit@v1.18.21...v1.18.37).
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Directory.Packages.props

@@ -21,7 +21,7 @@
     <PackageVersion Include="Azure.Identity" Version="1.18.0" />
     <PackageVersion Include="Azure.Monitor.OpenTelemetry.AspNetCore" Version="1.4.0" />
     <PackageVersion Include="Microsoft.ApplicationInsights.Profiler.AspNetCore" Version="3.0.1" />
-    <PackageVersion Include="TUnit" Version="1.18.21" />
+    <PackageVersion Include="TUnit" Version="1.18.37" />
     <PackageVersion Include="EssentialCSharp.Shared.Models" Version="$(ToolingPackagesVersion)" />
     <PackageVersion Include="HtmlAgilityPack" Version="1.12.4" />
     <PackageVersion Include="IntelliTect.Multitool" Version="2.0.0" />