Deprecate `send()` action creator

[davidkpiano]

This PR deprecates the send() action creator in favor of sendTo() and raise().

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🦋 Changeset detected

Latest commit: 2637bab941ee831d25cb6f76e0f80ba91ed0103a

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
xstate	Minor

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[davidkpiano]

@Andarist Is this good to go?