Upgrade kotlin coroutines to 1.3.5 blocked by deprecated publish

[oliemansm]

See https://kotlin.github.io/kotlinx.coroutines/kotlinx-coroutines-reactive/kotlinx.coroutines.reactive/kotlinx.coroutines.-coroutine-scope/publish.html

[benmccann]

There's just one call to publish in the codebase:

graphql-java-tools/src/main/kotlin/graphql/kickstart/tools/SchemaParserOptions.kt

Line 134 in 62270b5

environment.coroutineScope().publish(coroutineContextProvider.provide()) {