#4830 release(cli): cut v0.2.20

Cuts @superset/cli v0.2.20. First CLI release since cli-v0.2.19 (2026-05-16).

CLI-affecting changes since 0.2.19

• host auth refresh (SUPER-752, #4738)
• worktree delete cleanup ordering (#4801)
• PR-checkout materialization fix (#4643)
• project setup on selected host (#4665)
• SDK/CLI tRPC audit-gap docs (#4771)

Release steps

• bump packages/cli/package.json 0.2.19 → 0.2.20 (+ bun.lock)
• merge this PR
• push tag cli-v0.2.20 at the merge commit → triggers release-cli.yml (3-target build + GitHub release + rolling cli-latest + homebrew bump per #4826)

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Summary by cubic

Release @superset/cli v0.2.20 with host auth refresh, selected-host project setup, and fixes to PR checkout and worktree cleanup. Improves sign-in stability (SUPER-752) and reliability across common workflows.

• New Features

  • Refresh host auth to prevent expired sessions (SUPER-752).
  • Allow project setup on a selected host.

• Bug Fixes

  • Fix PR checkout materialization.
  • Correct worktree delete cleanup order.

Summary by CodeRabbit

• Chores
  • Bumped @superset/cli package version to 0.2.20.