fix(deps): update dependency openapi-backend to v5

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
openapi-backend	3.9.2 -> 5.3.0

---

Release Notes

anttiviljami/openapi-backend

v5.3.0

Compare Source

v5.2.1

Compare Source

v5.2.0

Compare Source

v5.1.1

Compare Source

v5.1.0

Compare Source

v5.0.1

Compare Source

v5.0.0

Compare Source

v4.2.0

Compare Source

v4.1.0

Compare Source

v4.0.0

Compare Source

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled due to failing status checks.

♻ 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, click this checkbox.

---

This PR has been generated by Mend Renovate. View repository job log here.