Add support for Union, Suspend, and Refinement as the second argument…

[gcanti]

… of extend, closes #3124

[changeset-bot]

🦋 Changeset detected

Latest commit: 6782786

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

This PR includes changesets to release 23 packages

Name	Type
@effect/schema	Patch
@effect/cli	Patch
@effect/cluster-browser	Patch
@effect/cluster-node	Patch
@effect/cluster-workflow	Patch
@effect/cluster	Patch
@effect/experimental	Patch
@effect/platform-browser	Patch
@effect/platform-bun	Patch
@effect/platform-node-shared	Patch
@effect/platform-node	Patch
@effect/platform	Patch
@effect/rpc-http	Patch
@effect/rpc	Patch
@effect/sql	Patch
@effect/sql-mssql	Patch
@effect/sql-mysql2	Patch
@effect/sql-pg	Patch
@effect/sql-sqlite-bun	Patch
@effect/sql-sqlite-node	Patch
@effect/sql-drizzle	Patch
@effect/sql-sqlite-react-native	Patch
@effect/sql-sqlite-wasm	Patch

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