fix(deps): update dependency google-gax to v4.3.7

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
google-gax (source)	4.3.6 -> 4.3.7

---

Release Notes

googleapis/gax-nodejs (google-gax)

### [`v4.3.7`](https://togithub.com/googleapis/gax-nodejs/blob/HEAD/gax/CHANGELOG.md#437-2024-06-19) [Compare Source](https://togithub.com/googleapis/gax-nodejs/compare/google-gax-v4.3.6...google-gax-v4.3.7) ##### Bug Fixes - update various dependencies and linting ([#​1622](https://togithub.com/googleapis/gax-nodejs/issues/1622)) ([227b296](https://togithub.com/googleapis/gax-nodejs/commit/227b296dfe7820de1777afe4699ecdc09487b1df))

---

Configuration

📅 Schedule: Branch creation - "after 9am and before 3pm" (UTC), 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. View repository job log here.