[release/v7.6] Add markdown link verification for PRs#26445

TravisEz13 merged 2 commits intoPowerShell:release/v7.6PowerShell/PowerShell:release/v7.6from

TravisEz13:backport/release/v7.6/26219-7bcdda77eTravisEz13/PowerShell:backport/release/v7.6/26219-7bcdda77eCopy head branch name to clipboard