chore(deps): update dependency publicapigenerator to 11.4.6 (#4021)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[PublicApiGenerator](https://redirect.github.com/PublicApiGenerator/PublicApiGenerator)
| `11.4.5` -> `11.4.6` |
[![age](https://developer.mend.io/api/mc/badges/age/nuget/PublicApiGenerator/11.4.6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/nuget/PublicApiGenerator/11.4.6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/nuget/PublicApiGenerator/11.4.5/11.4.6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/nuget/PublicApiGenerator/11.4.5/11.4.6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>PublicApiGenerator/PublicApiGenerator
(PublicApiGenerator)</summary>

###
[`v11.4.6`](https://redirect.github.com/PublicApiGenerator/PublicApiGenerator/releases/tag/11.4.6)

[Compare
Source](https://redirect.github.com/PublicApiGenerator/PublicApiGenerator/compare/11.4.5...11.4.6)

#### What's Changed

- Add support for required keyword by
[@&#8203;sungam3r](https://redirect.github.com/sungam3r) in
[https://github.com/PublicApiGenerator/PublicApiGenerator/pull/473](https://redirect.github.com/PublicApiGenerator/PublicApiGenerator/pull/473)

**Full Changelog**:
PublicApiGenerator/PublicApiGenerator@11.4.5...11.4.6

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/reactiveui/ReactiveUI).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS4yNjQuMCIsInVwZGF0ZWRJblZlciI6IjM5LjI2NC4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJEZXBlbmRlbmN5IE1hbmFnZW1lbnQiXX0=-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/Directory.Packages.props

@@ -22,7 +22,7 @@
     <PackageVersion Include="Microsoft.Xaml.Behaviors.Wpf" Version="1.1.135" />
     <PackageVersion Include="Mocks.Maui" Version="1.2.3" />
     <PackageVersion Include="Nerdbank.GitVersioning" Version="3.7.115" />
-    <PackageVersion Include="PublicApiGenerator" Version="11.4.5" />
+    <PackageVersion Include="PublicApiGenerator" Version="11.4.6" />
     <PackageVersion Include="Reactive.Wasm" Version="2.1.2" />
     <PackageVersion Include="Roslynator.Analyzers" Version="4.13.1" />
     <PackageVersion Include="Splat" Version="$(SplatVersion)" />