chore(deps): bump Microsoft.CodeAnalysis.NetAnalyzers (#234)

Author: dependabot[bot]

Directory.Packages.props

@@ -7,7 +7,7 @@
     <GlobalPackageReference Include="CSharpier.MSBuild" Version="0.29.2" />
     <GlobalPackageReference Include="GitVersion.MsBuild" Version="6.0.5" />
     <GlobalPackageReference Include="Microsoft.CodeAnalysis.BannedApiAnalyzers" Version="3.3.4" />
-    <GlobalPackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="8.0.0" />
+    <GlobalPackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="9.0.0" />
     <GlobalPackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" />
     <GlobalPackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.12.19" />
   </ItemGroup>