fix(deps): update dependency acorn to ^8.15.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
acorn	^8.8.0 -> ^8.15.0

---

Release Notes

acornjs/acorn (acorn)

v8.15.0

Compare Source

v8.14.1

Compare Source

v8.14.0

Compare Source

v8.13.0

Compare Source

v8.12.1

Compare Source

v8.12.0

Compare Source

v8.11.3

Compare Source

v8.11.2

Compare Source

v8.11.1

Compare Source

v8.11.0

Compare Source

v8.10.0

Compare Source

v8.9.0

Compare Source

v8.8.2

Compare Source

v8.8.1

Compare Source

---

Configuration

📅 Schedule: Branch creation - "after 9pm,before 9am" in timezone Asia/Tokyo, Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ 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 was generated by Mend Renovate. View the repository job log.