Manually update azure-typespec/http-client-csharp version to prerelease 1.0.0-alpha.20260211.2 - #56217

Manually update azure-typespec/http-client-csharp version to prerelease 1.0.0-alpha.20260211.2#56217

Wei Hu (live1206) merged 8 commits into

Azure:mainAzure/azure-sdk-for-net:mainfrom

haiyuazhang:validate-typespec-20260211.2-azure-typespec/http-client-csharp-mgmthaiyuazhang/azure-sdk-for-net:validate-typespec-20260211.2-azure-typespec/http-client-csharp-mgmtCopy head branch name to clipboard