Update @typespec/http-client-csharp to 1.0.0-alpha.20250722.1#620

ShivangiReja merged 1 commit intoopenai:mainopenai/openai-dotnet:mainfrom

ShivangiReja:shreja/UpdateCodeGen_1.0.0-alpha.20250722.1ShivangiReja/openai-dotnet:shreja/UpdateCodeGen_1.0.0-alpha.20250722.1Copy head branch name to clipboard