Update nginx Docker tag to v1.27.2

[mend-for-github-com[bot]]

This PR contains the following updates:

Package	Type	Update	Change
nginx	final	minor	1.17.5-alpine -> 1.27.2-alpine

---

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