chore(deps): update dependency eslint-plugin-promise to ^6.4.0

[garykim-dev-renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
eslint-plugin-promise	devDependencies	minor	^6.2.0 -> ^6.4.0

---

Release Notes

eslint-community/eslint-plugin-promise (eslint-plugin-promise)

### [`v6.4.0`](https://togithub.com/eslint-community/eslint-plugin-promise/releases/tag/v6.4.0) [Compare Source](https://togithub.com/eslint-community/eslint-plugin-promise/compare/v6.3.0...v6.4.0) ##### Features - add support for flat config ([#​479](https://togithub.com/eslint-community/eslint-plugin-promise/issues/479)) ([ecbce9f](https://togithub.com/eslint-community/eslint-plugin-promise/commit/ecbce9faef0c8e05636287cf9c851949be6d70cc)) ### [`v6.3.0`](https://togithub.com/eslint-community/eslint-plugin-promise/releases/tag/v6.3.0) [Compare Source](https://togithub.com/eslint-community/eslint-plugin-promise/compare/v6.2.0...v6.3.0) ##### Features - add support for eslint v9 ([#​478](https://togithub.com/eslint-community/eslint-plugin-promise/issues/478)) ([4dfc8a7](https://togithub.com/eslint-community/eslint-plugin-promise/commit/4dfc8a77c0592a19d467a268708678114c3c7c2b))

---

Configuration

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