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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [google-gax](https://togithub.com/googleapis/gax-nodejs) ([source](https://togithub.com/googleapis/gax-nodejs/tree/HEAD/gax)) | [`4.2.1` -> `4.3.0`](https://renovatebot.com/diffs/npm/google-gax/4.2.1/4.3.0) | [![age](https://developer.mend.io/api/mc/badges/age/npm/google-gax/4.3.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/google-gax/4.3.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/google-gax/4.2.1/4.3.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/google-gax/4.2.1/4.3.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>googleapis/gax-nodejs (google-gax)</summary>

### [`v4.3.0`](https://togithub.com/googleapis/gax-nodejs/blob/HEAD/gax/CHANGELOG.md#430-2024-01-31)

[Compare Source](https://togithub.com/googleapis/gax-nodejs/compare/v4.2.1...v4.3.0)

##### Features

-   implement support for Trusted Partner Cloud ([#&#8203;1552](https://togithub.com/googleapis/gax-nodejs/issues/1552)) ([d51218c](https://togithub.com/googleapis/gax-nodejs/commit/d51218c23d4afe437285a55a44a39f64bdb3736d))

##### Bug Fixes

-   do not throw DeprecationWarnings for legacy retry behavior ([#&#8203;1551](https://togithub.com/googleapis/gax-nodejs/issues/1551)) ([2f39306](https://togithub.com/googleapis/gax-nodejs/commit/2f39306a441ce08374fe069ab1e1892871715a77))

</details>

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