v0.13.40: Release SDK 0.13.40 (#3797)

DAML Compiler

• The modules DA.Types and GHC.Tuple from daml-prim have been
  moved to separate DALF packages.
• Fixed an issue where packages produced by damlc resulted in type
  errors during validation by DAML engine.

Sandbox

• The sandbox JWT authentication now respects the ledgerId and
  participantId fields of the token payload.
• Improve loading of active contracts for the Sandbox SQL backend.
• AuthService implementations can now restrict the validity of access
  tokens to a single ledger or participant.

Java Client

• Ensure the access token is initialized when using a deprecated
  constructor.

RxJava Bindings

• Added a method to the Bot class allowing users to specify a
  Scheduler to use for running the bot. See issue #2356.

Java Bindings

• Removed warnings in code emitted by the Java Codegen.