[skip-release] Update docker/setup-buildx-action digest to 37fe631

[libops-renovate]

This PR contains the following updates:

Package	Type	Update	Change
docker/setup-buildx-action (changelog)	action	digest	bb05f3f → 37fe631

---

Warning

Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • Only on Wednesday (* * * * 3)
• Automerge
  • At any time (no schedule defined)

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

♻ Rebasing: Whenever PR is behind base branch, 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 has been generated by Mend Renovate CLI.