Update Kotlin language version to 1.8.#216

Merged

SanjayVas merged 7 commits intomainfrom sanjayvas-kotlin-1.8

Sep 26, 2023

+154-262

Commits on May 12, 2023

Update rules_kotlin to 1.8-RC-1 and Kotlin to 1.8.21 (#192 )
riemanli
committed

Commits on Jun 27, 2023

Fix warning for ReceiveChannel.isClosedForReceive.
SanjayVas
committed

Commits on Aug 21, 2023

Drop references to nonexistant grpc-kotlin-context Maven artifact.
SanjayVas
committed

Commits on Sep 12, 2023

Update rules_kotlin to 1.8.1 and kotlinx.coroutines to 1.7.3.
SanjayVas
committed

Commits on Sep 13, 2023