swift

6526dca9 - [Concurrency] Add `ApproachableConcurrency` as a pseudo upcoming feature flag

[Concurrency] Add `ApproachableConcurrency` as a pseudo upcoming feature flag Enables upcoming features that aim to provide a more approachable path to Swift Concurrency: - `DisableOutwardActorInference` - `GlobalActorIsolatedTypesUsability` - `InferIsolatedConformances` - `InferSendableFromCaptures` - `NonisolatedNonsendingByDefault` Resolves: rdar://166244164