Bump justinrainbow/json-schema development dependency to ~5.2
https://github.com/justinrainbow/json-schema/compare/3.0.1...5.2.0
https://github.com/justinrainbow/json-schema/releases/tag/4.0.0
https://github.com/justinrainbow/json-schema/releases/tag/4.0.1
https://github.com/justinrainbow/json-schema/releases/tag/4.1.0
https://github.com/justinrainbow/json-schema/releases/tag/5.0.0
https://github.com/justinrainbow/json-schema/releases/tag/5.1.0
https://github.com/justinrainbow/json-schema/releases/tag/5.2.0
Change-Id: I9e3aa67bcf1f4e7b6b0dc831c64df73ce0fea8fe