Bump dependency Microsoft.CodeAnalysis.PublicApiAnalyzers to 5.6.0

| datasource | package                                   | from              | to    |
| ---------- | ----------------------------------------- | ----------------- | ----- |
| nuget      | Microsoft.CodeAnalysis.PublicApiAnalyzers | 5.0.0-1.25277.114 | 5.6.0 |


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

Author: renovate[bot]

Directory.Packages.props

@@ -107,7 +107,7 @@
     <PackageVersion Include="JunitXml.TestLogger" Version="8.0.0" />
     <PackageVersion Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.BannedApiAnalyzers" Version="3.12.0-beta1.25218.8" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="4.14.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="5.6.0" />
     <PackageVersion Include="Microsoft.Coyote" Version="1.7.11" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="10.0.9" />
     <PackageVersion Include="Microsoft.Extensions.Hosting" Version="10.0.9" />