chore(deps): update dependency gradle to v8.7

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
gradle (source)	minor	8.5 -> 8.7

---

Release Notes

gradle/gradle (gradle)

### [`v8.7`](https://togithub.com/gradle/gradle/compare/v8.6.0...v8.7.0) [Compare Source](https://togithub.com/gradle/gradle/compare/v8.6.0...v8.7.0) ### [`v8.6`](https://togithub.com/gradle/gradle/compare/v8.5.0...v8.6.0) [Compare Source](https://togithub.com/gradle/gradle/compare/v8.5.0...v8.6.0)

---

Configuration

📅 Schedule: Branch creation - "every 3 months on the first day of the month" 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 has been generated by Mend Renovate. View repository job log here.