chore: release main (#1553)

🤖 I have created a release *beep* *boop*
---


<details><summary>4.3.0</summary>

## [4.3.0](https://togithub.com/googleapis/gax-nodejs/compare/v4.2.1...v4.3.0) (2024-01-31)


### Features

* implement support for Trusted Partner Cloud ([#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 ([#1551](https://togithub.com/googleapis/gax-nodejs/issues/1551)) ([2f39306](https://togithub.com/googleapis/gax-nodejs/commit/2f39306a441ce08374fe069ab1e1892871715a77))
</details>

---
This PR was generated with [Release Please](https://togithub.com/googleapis/release-please). See [documentation](https://togithub.com/googleapis/release-please#release-please).

.release-please-manifest.json

@@ -1,4 +1,4 @@
 {
-  "gax": "4.2.1",
+  "gax": "4.3.0",
   "tools": "0.3.0"
 }

gax/CHANGELOG.md

@@ -4,6 +4,18 @@
 
 [1]: https://www.npmjs.com/package/gax-nodejs?activeTab=versions
 
+## [4.3.0](https://github.com/googleapis/gax-nodejs/compare/v4.2.1...v4.3.0) (2024-01-31)
+
+
+### Features
+
+* implement support for Trusted Partner Cloud ([#1552](https://github.com/googleapis/gax-nodejs/issues/1552)) ([d51218c](https://github.com/googleapis/gax-nodejs/commit/d51218c23d4afe437285a55a44a39f64bdb3736d))
+
+
+### Bug Fixes
+
+* do not throw DeprecationWarnings for legacy retry behavior ([#1551](https://github.com/googleapis/gax-nodejs/issues/1551)) ([2f39306](https://github.com/googleapis/gax-nodejs/commit/2f39306a441ce08374fe069ab1e1892871715a77))
+
 ## [4.2.1](https://github.com/googleapis/gax-nodejs/compare/v4.2.0...v4.2.1) (2024-01-26)
 
 

gax/package.json

@@ -1,6 +1,6 @@
 {
   "name": "google-gax",
-  "version": "4.2.1",
+  "version": "4.3.0",
   "description": "Google API Extensions",
   "main": "build/src/index.js",
   "types": "build/src/index.d.ts",

gax/samples/package.json

@@ -14,7 +14,7 @@
     "*.js"
   ],
   "dependencies": {
-    "google-gax": "^4.2.1"
+    "google-gax": "^4.3.0"
   },
   "devDependencies": {
     "c8": "^9.0.0",