chore(deps): update valkey/valkey docker tag from 7.2.11 to v7.2.12 (docker-compose.yml)

[renovate]

This PR contains the following updates:

Package	Update	Change
valkey/valkey	patch	7.2.11-alpine → 7.2.12-alpine

---

Release Notes

valkey-io/valkey (valkey/valkey)

v7.2.12

Compare Source

Upgrade urgency SECURITY: This release includes security fixes we recommend you
apply as soon as possible.

Security fixes

• (CVE-2026-21863) Remote DoS with malformed Valkey Cluster bus message (#​3249)
• (CVE-2025-67733) RESP Protocol Injection via Lua error_reply (#​3249)

Bug fixes

• Fix ltrim should not call signalModifiedKey when no elements are removed (#​2787)
• Fix potential infinite loop in clusterNodeGetMaster (#​2830)
• Avoids crash during MODULE UNLOAD when ACL rules reference a module command and subcommand (#​3160)

Full changelog: valkey-io/valkey@7.2.11...7.2.12

---

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

---

This PR was generated by Mend Renovate. View the repository job log.