Bump Microsoft.CodeAnalysis.Analyzers from 3.3.4 to 3.11.0 in /docs/csharp/roslyn-sdk/snippets/source-generators/SourceGenerator in the dotnet group

Bump Microsoft.CodeAnalysis.Analyzers from 3.3.4 to 3.11.0 in /docs/csharp/roslyn-sdk/snippets/source-generators/SourceGenerator in the dotnet group #1719