Update gems (major)

This MR contains the following updates:

Package	Type	Update	Change
elasticsearch-api	ironbank-rubygems	major	7.17.1 -> 8.2.2
faraday-net_http	ironbank-rubygems	major	1.0.1 -> 2.0.3
faraday-net_http_persistent	ironbank-rubygems	major	1.2.0 -> 2.0.1
prometheus-client	ironbank-rubygems	major	2.1.0 -> 4.0.0

---

Configuration

📅 Schedule: At any time (no schedule defined).

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

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

👻 Immortal: This MR will be recreated if closed unmerged. Get config help if that's undesired.

---

• If you want to rebase/retry this MR, click this checkbox.

---

This MR has been generated by Renovate Bot.