doc: update url edit path
Update edit on GitHub URL from master to main.
This is the preview from v16 docs when I tried to open "Edit on GitHub" button, it's redirecting to master branch, but the branch is renamed to main
Update edit on GitHub URL from master to main.
This is the preview from v16 docs when I tried to open "Edit on GitHub" button, it's redirecting to master branch, but the branch is renamed to main