Update Microsoft.CodeAnalysis.FxCopAnalyzers to 3.0.0-beta3.final (#34312)

Author: stephentoub

eng/Analyzers.props

@@ -4,7 +4,7 @@
   </PropertyGroup>
   <ItemGroup Condition="'$(EnableAnalyzers)' == 'true'">
     <PackageReference Include="Microsoft.DotNet.CodeAnalysis" Version="$(MicrosoftDotNetCodeAnalysisVersion)" PrivateAssets="all" IsImplicitlyDefined="true" />
-    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="3.0.0-beta2.final" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="3.0.0-beta3.final" PrivateAssets="all" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.164" PrivateAssets="all" />
   </ItemGroup>
 </Project>