fix(deps): update dependency google-gax to v4.3.6 (googleapis#2057)

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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)) | [`4.3.5` -> `4.3.6`](https://renovatebot.com/diffs/npm/google-gax/4.3.5/4.3.6) | [![age](https://developer.mend.io/api/mc/badges/age/npm/google-gax/4.3.6?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/google-gax/4.3.6?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/google-gax/4.3.5/4.3.6?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/google-gax/4.3.5/4.3.6?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

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

### [`v4.3.6`](https://togithub.com/googleapis/gax-nodejs/blob/HEAD/gax/CHANGELOG.md#436-2024-06-06)

[Compare Source](https://togithub.com/googleapis/gax-nodejs/compare/google-gax-v4.3.5...google-gax-v4.3.6)

##### Bug Fixes

-   reduce duplicate code ([#&#8203;1612](https://togithub.com/googleapis/gax-nodejs/issues/1612)) ([c540ef6](https://togithub.com/googleapis/gax-nodejs/commit/c540ef610abae9717b6346a0354c05168bedc649))

</details>

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package.json

@@ -66,7 +66,7 @@
     "events-intercept": "^2.0.0",
     "extend": "^3.0.2",
     "google-auth-library": "^9.0.0",
-    "google-gax": "4.3.5",
+    "google-gax": "4.3.6",
     "grpc-gcp": "^1.0.0",
     "is": "^3.2.1",
     "lodash.snakecase": "^4.1.1",