fix(core): undeprecate async useComputed

[wmertens]

it's supported in v2 now

[changeset-bot]

🦋 Changeset detected

Latest commit: a04b9a9

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

This PR includes changesets to release 4 packages

Name	Type
@builder.io/qwik	Patch
@builder.io/qwik-city	Patch
eslint-plugin-qwik	Patch
create-qwik	Patch

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The docs MDX introduces a broken TSX snippet (\_ identifier) and an extra trailing fenced code block delimiter that leaves an unclosed code fence at end-of-file.

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Pull request overview

This PR updates Qwik core and documentation to reflect that useComputed$ supports async functions again (supported in v2), removing the runtime deprecation warning and updating public-facing guidance.

Changes:

• Remove the async-useComputed$ deprecation warning path in runComputed() (core runtime).
• Update useComputed$ documentation (JSDoc + docs site content) to describe async behavior and tracking limitations.
• Add a changeset and update generated API docs (index.mdx / api.json).

File summaries

File	Description
packages/qwik/src/core/use/use-task.ts	Removes async deprecation warning in computed execution and updates JSDoc wording.
packages/docs/src/routes/docs/(qwik)/core/state/index.mdx	Updates docs narrative about async useComputed$, but also modifies multiple embedded snippets.
packages/docs/src/routes/api/qwik/index.mdx	Updates generated API reference text for useComputed$.
packages/docs/src/routes/api/qwik/api.json	Updates generated API JSON content for useComputed$.
.changeset/async-computed-supported.md	Adds a patch changeset announcing async useComputed$ is no longer deprecated.

Review details

• Files reviewed: 5/5 changed files
• Comments generated: 3
• Review effort level: Lite

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commit: a04b9a9

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