Update deprecated GraphQL description fields with `deprecation_reason`
Context: !19233 (comment 236587411) and !19233 (comment 236528553).
Depends on #31645 (closed) and the decision from #32292 (closed)
Edited by charlie ablett
Context: !19233 (comment 236587411) and !19233 (comment 236528553).
Depends on #31645 (closed) and the decision from #32292 (closed)