refactor: update [email protected] to latest on github v4.0.1 (#3324)

## Description

**Issue:** 

To unblock `prettier update to v3` https://togithub.com/GoogleCloudPlatform/nodejs-docs-samples/pull/3322.
`ci/lint` workflow using `[email protected]` as repo is still on `[email protected]`. Upgraded to latest `[email protected]`.

## Checklist
- [x] I have followed guidelines from [CONTRIBUTING.MD](https://togithub.com/GoogleCloudPlatform/nodejs-docs-samples/blob/main/CONTRIBUTING.md) and [Samples Style Guide](https://googlecloudplatform.github.io/samples-style-guide/)
- [x] **Tests** pass:   `npm test` (see [Testing](https://togithub.com/GoogleCloudPlatform/nodejs-docs-samples/blob/main/CONTRIBUTING.md#run-the-tests-for-a-single-sample))
- [ ] **Lint** pass:   `npm run lint` (see [Style](https://togithub.com/GoogleCloudPlatform/nodejs-docs-samples/blob/main/CONTRIBUTING.md#style))
- [ ] These samples need a new **API enabled** in testing projects to pass (let us know which ones)
- [ ] These samples need a new/updated **env vars** in testing projects set to pass (let us know which ones)
- [ ] This sample adds a new sample directory, and I updated the [CODEOWNERS file](https://togithub.com/GoogleCloudPlatform/nodejs-docs-samples/blob/main/CODEOWNERS) with the codeowners for this sample
- [ ] This sample adds a new sample directory, and I created [GitHub Actions workflow](https://togithub.com/GoogleCloudPlatform/nodejs-docs-samples/blob/main/CONTRIBUTING.md#adding-new-samples) for this sample
- [ ] This sample adds a new **Product API**, and I updated the [Blunderbuss issue/PR auto-assigner](https://togithub.com/GoogleCloudPlatform/nodejs-docs-samples/blob/main/.github/blunderbuss.yml) with the codeowners for this sample
- [x] Please **merge** this PR for me once it is approved

Author: pattishin

package.json

@@ -24,7 +24,7 @@
     "eslint-config-prettier": "^8.8.0",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^4.2.1",
-    "gts": "^3.1.1",
+    "gts": "^4.0.1",
     "mocha": "^10.2.0",
     "nunjucks": "^3.2.4",
     "prettier": "^2.8.7",