Add option to automatically mark file as reviewed on open#8238

Copilot wants to merge 4 commits intomainmicrosoft/vscode-pull-request-github:mainfrom

copilot/add-auto-mark-reviewed-on-file-openmicrosoft/vscode-pull-request-github:copilot/add-auto-mark-reviewed-on-file-openCopy head branch name to clipboard