chore(deps): update dependency protobufjs to v7.3.2 (#1617)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [protobufjs](https://protobufjs.github.io/protobuf.js/) ([source](https://togithub.com/protobufjs/protobuf.js)) | [`7.3.0` -> `7.3.2`](https://renovatebot.com/diffs/npm/protobufjs/7.3.0/7.3.2) | [![age](https://developer.mend.io/api/mc/badges/age/npm/protobufjs/7.3.2?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/protobufjs/7.3.2?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/protobufjs/7.3.0/7.3.2?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/protobufjs/7.3.0/7.3.2?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>protobufjs/protobuf.js (protobufjs)</summary>

### [`v7.3.2`](https://togithub.com/protobufjs/protobuf.js/blob/HEAD/CHANGELOG.md#732-2024-06-12)

[Compare Source](https://togithub.com/protobufjs/protobuf.js/compare/protobufjs-v7.3.1...protobufjs-v7.3.2)

##### Bug Fixes

-   **docs:** Update readme to correct command for creating types ([#&#8203;1939](https://togithub.com/protobufjs/protobuf.js/issues/1939)) ([0f9d477](https://togithub.com/protobufjs/protobuf.js/commit/0f9d4770e0fb360c767241a13696d73edc6536b7))

### [`v7.3.1`](https://togithub.com/protobufjs/protobuf.js/blob/HEAD/CHANGELOG.md#731-2024-06-05)

[Compare Source](https://togithub.com/protobufjs/protobuf.js/compare/protobufjs-v7.3.0...protobufjs-v7.3.1)

##### Bug Fixes

-   **types:** reserved field in IType can contain reserved names ([#&#8203;2001](https://togithub.com/protobufjs/protobuf.js/issues/2001)) ([d1d2c0c](https://togithub.com/protobufjs/protobuf.js/commit/d1d2c0c7890e07ca1302c83a136051ee0624cba8))

</details>

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Author: renovate-bot

packages/packages/google-gax/tools/package.json

@@ -55,7 +55,7 @@
     "gts": "^5.0.0",
     "mocha": "^9.0.0",
     "ncp": "^2.0.0",
-    "protobufjs": "7.3.0",
+    "protobufjs": "7.3.2",
     "typescript": "^5.1.6"
   },
   "engines": {