refactor(versionmap): Version-only keys, Mapping API, and iter_pairs#997

vshawrh wants to merge 1 commit into

python-wheel-build:mainpython-wheel-build/fromager:mainfrom

vshawrh:feat/versionmap-issue-986vshawrh/vshawfromager:feat/versionmap-issue-986Copy head branch name to clipboard