[3.12] gh-132021: Add bool type to the list of allowed JSON key types (GH-132048) (#132256)

gh-132021: Add bool type to the list of allowed JSON key types (GH-132048)
(cherry picked from commit 403886c28ddb350bbcaea478f8d754ed14e10337)

Co-authored-by: Srinivas Reddy Thatiparthy (తాటిపర్తి శ్రీనివాస్  రెడ్డి) <thatiparthysreenivas@gmail.com>
Co-authored-by: Eric V. Smith <ericvsmith@users.noreply.github.com>