chore(deps): update dependency roslynator.analyzers to v4.9.0 (#32)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [Roslynator.Analyzers](https://togithub.com/dotnet/roslynator) |
`4.8.0` -> `4.9.0` |
[![age](https://developer.mend.io/api/mc/badges/age/nuget/Roslynator.Analyzers/4.9.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/nuget/Roslynator.Analyzers/4.9.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/nuget/Roslynator.Analyzers/4.8.0/4.9.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/nuget/Roslynator.Analyzers/4.8.0/4.9.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>dotnet/roslynator (Roslynator.Analyzers)</summary>

###
[`v4.9.0`](https://togithub.com/dotnet/roslynator/blob/HEAD/ChangeLog.md#490---2024-01-10)

##### Added

- Add support for Unity
([PR](https://togithub.com/dotnet/roslynator/pull/1349))
- [Unity uses Roslyn
3.8](https://docs.unity3d.com/Manual/roslyn-analyzers.html) and this
version is now supported by Roslynator NuGet packages with analyzers
(Roslynator.Analyzers etc.)

##### Fixed

- Fix analyzer
[RCS0034](https://josefpihrt.github.io/docs/roslynator/analyzers/RCS0034)
([PR](https://togithub.com/dotnet/roslynator/pull/1351))
- Fix analyzer
[RCS0023](https://josefpihrt.github.io/docs/roslynator/analyzers/RCS0023)
([PR](https://togithub.com/dotnet/roslynator/pull/1352))
- Fix analyzer
[RCS1014](https://josefpihrt.github.io/docs/roslynator/analyzers/RCS1014)
([PR](https://togithub.com/dotnet/roslynator/pull/1350))

</details>

---

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---

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Directory.Build.props

@@ -15,7 +15,7 @@
                 Version="9.16.0.82469"
                 PrivateAssets="all"
                 Condition="$(MSBuildProjectExtension) == '.csproj'" />
-        <PackageReference Include="Roslynator.Analyzers" Version="4.8.0" PrivateAssets="All" />
+        <PackageReference Include="Roslynator.Analyzers" Version="4.9.0" PrivateAssets="All" />
     </ItemGroup>
 
 </Project>