Dynamically substitute main version in versions.rst from release-cycle.json#1583

hugovk merged 10 commits into

python:mainpython/devguide:mainfrom

corneliusroemer:codex/dynamically-use-release-cycle-in-versions.rstcorneliusroemer/devguide:codex/dynamically-use-release-cycle-in-versions.rstCopy head branch name to clipboard