build(deps): bump Microsoft.CodeAnalysis.Analyzers from 2.9.3 to 2.9.6 (#2212)

Bumps [Microsoft.CodeAnalysis.Analyzers](https://github.com/dotnet/roslyn-analyzers) from 2.9.3 to 2.9.6.
- [Release notes](https://github.com/dotnet/roslyn-analyzers/releases)
- [Changelog](https://github.com/dotnet/roslyn-analyzers/blob/master/PostReleaseActivities.md)
- [Commits](dotnet/roslyn-analyzers@v2.9.3...v2.9.6)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

src/ReactiveUI.Fody.Analyzer.Test/ReactiveUI.Fody.Analyzer.Test.csproj

@@ -3,7 +3,7 @@
         <TargetFrameworks>net461</TargetFrameworks>
     </PropertyGroup>
     <ItemGroup>
-        <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="2.9.4" />
+        <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="2.9.6" />
         <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.2.1" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
         <PackageReference Include="xunit" Version="2.4.1" />

src/ReactiveUI.Fody.Analyzer/ReactiveUI.Fody.Analyzer.csproj

@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="2.9.3" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="2.9.6" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.2.1" PrivateAssets="all" />
     <PackageReference Include="System.Collections.Immutable" Version="1.6.0" />
   </ItemGroup>