Update dependency gradle to v5.5.0

This MR contains the following updates:

Package	Type	Update	Change
gradle (source)	gradle-wrapper	minor	5.4.1 -> 5.5.0

---

Renovate configuration

📅 Schedule: "every weekday except on Wednesday,every weekend,before 5pm on Wednesday" (UTC).

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

♻ Rebasing: Whenever MR becomes conflicted.

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

---

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

---

Available now for GitLab: Renovate Pro with real-time webhook handling and priority job queue.