feat(cloudkms): add delete CryptoKey, delete CryptoKeyVersions, get RetiredResource, and list RetiredResources code samples

[yasharel]

Adds samples for KMS delete CryptoKey, delete CryptoKeyVersions, get RetiredResource, and list RetiredResources in C#

[snippet-bot]

Here is the summary of changes.

You are about to add 4 region tags.

• kms/api/Kms.Samples/DeleteKey.cs:15, tag kms_delete_key
• kms/api/Kms.Samples/DeleteKeyVersion.cs:15, tag kms_delete_key_version
• kms/api/Kms.Samples/GetRetiredResource.cs:15, tag kms_get_retired_resource
• kms/api/Kms.Samples/ListRetiredResources.cs:15, tag kms_list_retired_resources

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[gemini-code-assist]

Summary of Changes

Hello @yasharel, 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 enhances the KMS C# samples by introducing new functionalities for managing cryptographic keys and their versions, as well as interacting with retired resources. The additions provide practical examples for deleting keys and key versions, and for fetching or listing retired resources within the Google Cloud Key Management Service. This update ensures developers have up-to-date and comprehensive code examples for common KMS operations.

Highlights

• New KMS Samples: Added C# code samples for deleting a KMS CryptoKey.
• New KMS Samples: Added C# code samples for deleting KMS CryptoKeyVersions.
• New KMS Samples: Added C# code samples for retrieving a specific retired KMS resource.
• New KMS Samples: Added C# code samples for listing all retired KMS resources.
• Dependency Update: Updated the Google.Cloud.Kms.V1 NuGet package to version 3.22.0.

Changelog

• kms/api/Kms.Samples/DeleteKey.cs
  • Added a new sample demonstrating how to delete a CryptoKey.
• kms/api/Kms.Samples/DeleteKeyVersion.cs
  • Added a new sample demonstrating how to delete a CryptoKeyVersion.
• kms/api/Kms.Samples/GetRetiredResource.cs
  • Added a new sample demonstrating how to retrieve a specific RetiredResource.
• kms/api/Kms.Samples/Kms.Samples.csproj
  • Updated the Google.Cloud.Kms.V1 package version from 3.21.0 to 3.22.0.
• kms/api/Kms.Samples/ListRetiredResources.cs
  • Added a new sample demonstrating how to list all RetiredResources for a given location.

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[gemini-code-assist]

Code Review

This pull request introduces new C# code samples for Google Cloud KMS, covering operations such as deleting CryptoKeys, deleting CryptoKeyVersions, getting a RetiredResource, and listing RetiredResources. The new samples are well-structured, follow a consistent pattern, and correctly utilize the Google Cloud KMS client library. Additionally, the Google.Cloud.Kms.V1 package dependency has been updated to version 3.22.0, which is a good practice for keeping libraries current. The changes are clear and directly address the functionality described in the pull request title and description.