Two ratchets this suite arms for its own siblings fired once they landed:
- the Windows pause (#132338) now imports gateway/status_inline_source.py
to recognise inline-bootstrapped gateways, so a change there starts the
e2e_upgrade suite like gateway/status.py (only two importers: not a hub)
- the marker-corpus consumers #132345 and #132354 ship are on main, so
_LANDS_IN_SIBLING_PR empties as its comment asks