Add Thread.interrupted() checks to generated Kotlin code

[dlurton]

To avoid the requirement that all rewriters in PartiQL inherit from a base that itself inherits from the PIG-generated PartiqlAst.VisitorTransform, we should emit such checks in strategic places of generated Kotlin code.

This was implicitly pointed out in a question from Almann in this comment: Thread.interrupted()
@almann in #398 (comment)_

[dlurton]

Created in this repository by mistake. Replaced by partiql/partiql-ir-generator#72 (which is in the correct repository.)