Resolve MAJOR.MINOR via EventHubSpec/VERSION; CI run_number as EVENTHUB_BUILD; health returns version/build/git_sha/built_at.
Co-authored-by: Cursor <cursoragent@cursor.com>
Publish erlang-builder and erlang-runtime as :latest, use them in prod and API test builds, auto-collect NIF libs, and sync CI to pull/push bases before eventhub build.
Co-authored-by: Cursor <cursoragent@cursor.com>