deps(core): update dependency roslynator.analyzers to 4.15.0 (#1015)

This PR contains the following updates:

| Package | Change |
[Age](https://docs.renovatebot.com/merge-confidence/) |
[Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [Roslynator.Analyzers](https://redirect.github.com/dotnet/roslynator)
| `4.14.1` -> `4.15.0` |
![age](https://developer.mend.io/api/mc/badges/age/nuget/Roslynator.Analyzers/4.15.0?slim=true)
|
![confidence](https://developer.mend.io/api/mc/badges/confidence/nuget/Roslynator.Analyzers/4.14.1/4.15.0?slim=true)
|

---

### Release Notes

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

###
[`v4.15.0`](https://redirect.github.com/dotnet/roslynator/blob/HEAD/ChangeLog.md#4150---2025-12-14)

##### Added

- Add option
`roslynator_null_conditional_operator.avoid_negative_boolean_comparison`
([PR](https://redirect.github.com/dotnet/roslynator/pull/1688))
- Do not suggest to use null-conditional operator when result would be
`... != true/false`
- Applicable for
[RCS1146](https://josefpihrt.github.io/docs/roslynator/analyzers/RCS1146)

##### Fixed

- Fix analyzer
[RCS1172](https://josefpihrt.github.io/docs/roslynator/analyzers/RCS1172)
([PR](https://redirect.github.com/dotnet/roslynator/pull/1710))
- \[CLI] Fix `loc` command
([PR](https://redirect.github.com/dotnet/roslynator/pull/1711))
- Exclude ref-field backed properties from
[RCS1085](https://josefpihrt.github.io/docs/roslynator/analyzers/RCS1085)
([PR](https://redirect.github.com/dotnet/roslynator/pull/1718) by
[@&#8203;ovska](https://redirect.github.com/ovska))
- \[CLI] Fix `rename-symbol` scope option not being applied correctly
([PR](https://redirect.github.com/dotnet/roslynator/pull/1720) by
[@&#8203;andrtmschkw](https://redirect.github.com/andrtmschkw))
- \[CLI] Fix `rename-symbol` support for top-level statement
([PR](https://redirect.github.com/dotnet/roslynator/pull/1721) by
[@&#8203;andrtmschkw](https://redirect.github.com/andrtmschkw))

##### Changed

- Migrate to .NET 10 (including command-line tool)
([PR](https://redirect.github.com/dotnet/roslynator/pull/1727))

</details>

---

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src/Directory.Build.props

@@ -54,7 +54,7 @@
                           PrivateAssets="all"
                           Condition="$(MSBuildProjectExtension) == '.csproj'"/>
         <PackageReference Include="Roslynator.Analyzers"
-                          Version="4.14.1"
+                          Version="4.15.0"
                           PrivateAssets="All"/>
         <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All"/>
     </ItemGroup>