Bump Anthropic from 12.9.0 to 12.11.0#1506

mikekistler merged 4 commits intomainmodelcontextprotocol/csharp-sdk:mainfrom

dependabot/nuget/Anthropic-12.11.0modelcontextprotocol/csharp-sdk:dependabot/nuget/Anthropic-12.11.0Copy head branch name to clipboard