chore(deps): update dependency gapic-tools to ^0.4.0 (googleapis#5156)

[![Mend Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [gapic-tools](https://github.com/googleapis/gax-nodejs) ([source](https://github.com/googleapis/gax-nodejs/tree/HEAD/gapic-tools)) | [`^0.3.0` -> `^0.4.0`](https://renovatebot.com/diffs/npm/gapic-tools/0.3.0/0.4.0) | [![age](https://developer.mend.io/api/mc/badges/age/npm/gapic-tools/0.4.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/gapic-tools/0.4.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/gapic-tools/0.3.0/0.4.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/gapic-tools/0.3.0/0.4.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

---

### Release Notes

<details>
<summary>googleapis/gax-nodejs (gapic-tools)</summary>

### [`v0.4.0`](https://github.com/googleapis/gax-nodejs/releases/tag/gapic-tools-v0.4.0): gapic-tools: v0.4.0

[Compare Source](https://github.com/googleapis/gax-nodejs/compare/gapic-tools-v0.3.0...gapic-tools-v0.4.0)

##### Features

-   allow passing --keep-case and --force-number to compileProtos ([#&#8203;1561](https://github.com/googleapis/gax-nodejs/issues/1561)) ([004d112](https://github.com/googleapis/gax-nodejs/commit/004d112445f528a6cb143676e8b397b37137adf3))

</details>

---

### Configuration

📅 **Schedule**: Branch creation - "after 9am and before 3pm" (UTC), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/googleapis/google-cloud-node).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4yNDUuMCIsInVwZGF0ZWRJblZlciI6IjM3LjI0NS4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiJ9-->

packages/google-chat/package.json

@@ -52,7 +52,7 @@
     "@types/node": "^20.4.5",
     "@types/sinon": "^17.0.0",
     "c8": "^9.0.0",
-    "gapic-tools": "^0.3.0",
+    "gapic-tools": "^0.4.0",
     "gts": "^5.0.0",
     "jsdoc": "^4.0.0",
     "jsdoc-fresh": "^3.0.0",