Bump StyleCop.Analyzers from 1.2.0-beta.507 to 1.2.0-beta.556

Bumps StyleCop.Analyzers from 1.2.0-beta.507 to 1.2.0-beta.556.

---
updated-dependencies:
- dependency-name: StyleCop.Analyzers
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Directory.Packages.props

@@ -17,7 +17,7 @@
 
     <ItemGroup>
         <GlobalPackageReference Include="Benjamin.Pizza.BuildScripts" Version="2.3.1" />
-        <GlobalPackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.507" />
+        <GlobalPackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.556" />
     </ItemGroup>
 
 </Project>