Update kotlin to v1.5.31

Summary: Changelog available here.

Test Plan: Use all three compilers (JVM, JS, and Native) to compile a test program. Build wraith-master from source

Reviewers: Triage Team, JoshStrobl

Reviewed By: Triage Team, JoshStrobl

Subscribers: JoshStrobl

Differential Revision: https://dev.getsol.us/D11934