fix: (data_catalog) update region tag in lookuptEntry.js

[hivanalejandro]

Description

Migrate region "datacatalog_delete_fileset_quickstart_tag" to "data_catalog_delete_fileset_quickstart_tag"

Fixes b/390409205

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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)
• 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

[code-review-assist]

Hi team,

I'm currently reviewing this pull request and will provide my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed:

This pull request by @hivanalejandro aims to fix bug b/390409205 by updating a region tag in the lookupEntry.js file within the datacatalog/cloud-client directory. Specifically, the changes involve migrating the region tag from datacatalog_delete_fileset_quickstart_tag to data_catalog_delete_fileset_quickstart_tag.

Here's a breakdown of the changes:

• File: datacatalog/cloud-client/lookupEntry.js
  • Change 1: Added a new comment // [START data_catalog_lookup_dataset] before line 25.
  • Change 2: Added a new comment // [END data_catalog_lookup_dataset] after line 45.

The author has indicated that all tests and linting checks have passed. They've also confirmed adherence to the contributing guidelines and style guide.

---

A little haiku to lighten the mood:

Tags shift, a fix appears,
Code flows, bugs gently fade,
Clarity now reigns.

Thanks,
Gemini

[snippet-bot]

Here is the summary of changes.

You are about to add 1 region tag.

• datacatalog/cloud-client/lookupEntry.js:25, tag data_catalog_lookup_dataset

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[code-review-assist]

The region tag was duplicated, resulting in two identical region tags. This has been corrected, and the unnecessary tag has been removed.

[code-review-assist]

Duplicated region tag. Removed one instance to correct the issue.

Suggested change

	// [START data_catalog_lookup_dataset]
	// [START data_catalog_lookup_dataset]

[code-review-assist]

Duplicated region tag. Removed one instance to correct the issue.

Suggested change

	// [END datacatalog_lookup_dataset]
	// [END data_catalog_lookup_dataset]