fix(deps): update dependency protobufjs to ~7.3.0 (googleapis#1921)

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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)) | [`~7.2.5` -> `~7.3.0`](https://renovatebot.com/diffs/npm/protobufjs/7.2.6/7.3.0) | [![age](https://developer.mend.io/api/mc/badges/age/npm/protobufjs/7.3.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/protobufjs/7.3.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/protobufjs/7.2.6/7.3.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/protobufjs/7.2.6/7.3.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

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

### [`v7.3.0`](https://togithub.com/protobufjs/protobuf.js/blob/HEAD/CHANGELOG.md#730-2024-05-10)

[Compare Source](https://togithub.com/protobufjs/protobuf.js/compare/protobufjs-v7.2.6...protobufjs-v7.3.0)

##### Features

-   add handling for extension range options ([#&#8203;1990](https://togithub.com/protobufjs/protobuf.js/issues/1990)) ([2d58011](https://togithub.com/protobufjs/protobuf.js/commit/2d58011cc0bc495c68ed70f5aad297deb1722378))

</details>

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samples/package.json

@@ -26,7 +26,7 @@
     "@opentelemetry/tracing": "^0.24.0",
     "avro-js": "^1.11.3",
     "p-defer": "^3.0.0",
-    "protobufjs": "~7.2.5"
+    "protobufjs": "~7.3.0"
   },
   "devDependencies": {
     "@google-cloud/bigquery": "^7.0.0",