chore(deps): update docker.elastic.co/wolfi/chainguard-base:latest docker digest to 277ebb4

[elastic-renovate-prod[bot]]

This PR contains the following updates:

Package	Type	Update	Change
docker.elastic.co/wolfi/chainguard-base		digest	90888b1 -> 277ebb4
docker.elastic.co/wolfi/chainguard-base	final	digest	90888b1 -> 277ebb4

---

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 these updates again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Renovate Bot.