chore(automl): update dependencies

[angelcaamal]

Description

Fixes #

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Checklist

• I have followed guidelines from CONTRIBUTING.MD and Samples Style Guide
• Tests pass: npm test (see Testing)
• Lint pass: npm run lint (see Style)
• Required CI tests pass (see CI testing)
• 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 pull request is from a branch created directly off of GoogleCloudPlatform/nodejs-docs-samples. Not a fork.
• This sample adds a new sample directory, and I updated the CODEOWNERS file with the codeowners for this sample
• This sample adds a new sample directory, and I created GitHub Actions workflow for this sample
• This sample adds a new Product API, and I updated the Blunderbuss issue/PR auto-assigner with the codeowners for this sample
• Please merge this PR for me once it is approved

Note: Any check with (dev), (experimental), or (legacy) can be ignored and should not block your PR from merging (see CI testing).

[gemini-code-assist]

Code Review

This pull request updates several dependencies in automl/package.json, including @google-cloud/automl, @google-cloud/storage, c8, and chai. The reviewer noted that upgrading chai to ^6.0.0 will break the test suite because Chai v5 and above are ESM-only, whereas this project uses CommonJS. They recommended keeping chai at ^4.5.0 to maintain compatibility.

[gemini-code-assist]

Upgrading 'chai' to '^6.0.0' will break the test suite. Chai v5.0.0 and above are ESM-only, whereas this project uses CommonJS (as shown by 'module.exports' in 'automl/test/util.js'). To maintain compatibility with CommonJS 'require()', please keep 'chai' at '^4.5.0'.

Suggested change

	"chai": "^6.0.0",
	"chai": "^4.5.0",