feat(secretmanager): Adding tags samples

[khilan-crest]

Adding tags samples

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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).

[snippet-bot]

Here is the summary of changes.

You are about to add 8 region tags.

• secret-manager/detachTagBinding.js:18, tag secretmanager_detach_tag_binding
• secret-manager/listSecretVersionsWithFilter.js:18, tag secretmanager_list_secret_versions_with_filter
• secret-manager/listSecretsWithFilter.js:18, tag secretmanager_list_secrets_with_filter
• secret-manager/listTagBindings.js:18, tag secretmanager_list_tag_bindings
• secret-manager/regional_samples/detachRegionalTag.js:18, tag secretmanager_detach_regional_tag
• secret-manager/regional_samples/listRegionalSecretVersionsWithFilter.js:18, tag secretmanager_list_regional_secret_versions_with_filter
• secret-manager/regional_samples/listRegionalSecretsWithFilter.js:18, tag secretmanager_list_regional_secrets_with_filter
• secret-manager/regional_samples/listRegionalTagBindings.js:18, tag secretmanager_list_regional_secret_tag_bindings

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[gemini-code-assist]

Summary of Changes

Hello @khilan-crest, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly expands the Google Cloud Secret Manager Node.js samples by introducing new functionalities related to tag management and filtered listing of secrets and their versions. It provides developers with practical code examples for detaching and listing tag bindings, as well as filtering secrets and secret versions based on specific criteria, with full support for regional deployments.

Highlights

• New Tag Management Samples: Added new samples for managing tags on Secret Manager secrets, including detaching and listing tag bindings.
• Filtered Listing Capabilities: Introduced samples for listing Secret Manager secrets and secret versions with filtering capabilities.
• Regional Support: Provided regional versions for all new tag management and filtered listing samples to support geographically distributed secrets.
• Comprehensive Testing: Enhanced the test suite with comprehensive integration tests for all newly added samples, ensuring their correctness and functionality.

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[gemini-code-assist]

Code Review

This pull request adds several new samples for interacting with Google Cloud Secret Manager, focusing on tags and filtering. The new samples demonstrate how to list secrets and secret versions with filters, and how to list and detach tag bindings for both global and regional secrets. The changes also include corresponding tests for the new samples. My review focuses on ensuring the correctness and robustness of the new sample code. I've identified a recurring issue across several new files related to improper handling of asynchronous operations, which could lead to unhandled promise rejections and incorrect script behavior. I've provided suggestions to fix this.