Drop extras from _resolved_key to prevent re-entrant bootstrap failure#985

LalatenduMohanty wants to merge 2 commits intopython-wheel-build:mainpython-wheel-build/fromager:mainfrom

LalatenduMohanty:fix/issue-984-resolved-key-extrasLalatenduMohanty/fromager:fix/issue-984-resolved-key-extrasCopy head branch name to clipboard