build(deps): bump stylecop.analyzers in /Sample (#639)

Bumps [stylecop.analyzers](https://github.com/DotNetAnalyzers/StyleCopAnalyzers) from 1.2.0-beta.321 to 1.2.0-beta.435.
- [Release notes](https://github.com/DotNetAnalyzers/StyleCopAnalyzers/releases)
- [Commits](DotNetAnalyzers/StyleCopAnalyzers@1.2.0-beta.321...1.2.0-beta.435)

---
updated-dependencies:
- dependency-name: stylecop.analyzers
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/Directory.build.props

@@ -43,7 +43,7 @@
     <None Include="$(MSBuildThisFileDirectory)..\LICENSE" Pack="true" PackagePath="LICENSE" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="stylecop.analyzers" Version="1.2.0-beta.321" PrivateAssets="all" />
+    <PackageReference Include="stylecop.analyzers" Version="1.2.0-beta.435" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="6.0.0" PrivateAssets="all" />
     <PackageReference Include="Roslynator.Analyzers" Version="4.0.2" PrivateAssets="All" />
   </ItemGroup>