chore: bump @github/copilot-sdk to 1.0.9-preview.2 and @github/copilot to 1.0.78-2#328847

anthonykim1 wants to merge 2 commits into

mainmicrosoft/vscode:mainfrom

anthonykim1/aug3CopilotUpdatemicrosoft/vscode:anthonykim1/aug3CopilotUpdateCopy head branch name to clipboard