⬆️ Update async-executor to 1.9.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
async-executor	dependencies	minor	1.8.0 -> 1.9.0

---

Release Notes

smol-rs/async-executor (async-executor)

v1.9.0

Compare Source

• Re-introduce the thread-local task push optimization to the executor. (#​93)
• Bump async-task to v4.4.0. (#​90)
• Replace some unnecessary atomic operations with non-atomic operations. (#​94)
• Use weaker atomic orderings for notifications. (#​95)
• When spawning a future, avoid looking up the ID to assign to that future twice. (#​96)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.