Add GCP support in connect artifact commands

[hisingla12]

Release Notes

Breaking Changes

• PLACEHOLDER

New Features

• PLACEHOLDER

Bug Fixes

• PLACEHOLDER

Checklist

• I have successfully built and used a custom CLI binary, without linter issues from this PR.
• I have clearly specified in the What section below whether this PR applies to Confluent Cloud, Confluent Platform, or both.
• I have verified this PR in Confluent Cloud pre-prod or production environment, if applicable.
• I have verified this PR in Confluent Platform on-premises environment, if applicable.
• I have attached manual CLI verification results or screenshots in the Test & Review section below.
• I have added appropriate CLI integration or unit tests for any new or updated commands and functionality.
• I confirm that this PR introduces no breaking changes or backward compatibility issues.
• I have indicated the potential customer impact if something goes wrong in the Blast Radius section below.
• I have put checkmarks below confirming that the feature associated with this PR is enabled in:
  • Confluent Cloud prod
  • Confluent Cloud stag
  • Confluent Platform
  • Check this box if the feature is enabled for certain organizations only

What

Blast Radius

References

Test & Review

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Pull request overview

This PR adds support for Google Cloud Platform (GCP) in the connect artifact commands, expanding the CLI's cloud provider capabilities beyond AWS and Azure.

Changes:

• Updated connect artifact commands (create, list, describe, delete) to support GCP cloud provider
• Added comprehensive test coverage for GCP artifact operations including JAR and ZIP formats
• Updated validation logic and error messages to include GCP as a supported cloud provider

Reviewed changes

Copilot reviewed 18 out of 18 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
internal/connect/command_artifact_create.go	Added GCP to supported clouds list, updated error message, and implemented GCP-specific upload logic
internal/connect/command_artifact_list.go	Changed flag from AWS/Azure-specific to generic cloud flag
internal/connect/command_artifact_describe.go	Changed flag from AWS/Azure-specific to generic cloud flag
internal/connect/command_artifact_delete.go	Changed flag from AWS/Azure-specific to generic cloud flag
test/connect_test.go	Added comprehensive test cases for GCP artifact operations (create, list, describe, delete)
test/test-server/connect_handler.go	Added GCP test artifacts and updated handlers to recognize GCP artifact IDs
test/fixtures/output/connect/artifact/*.golden	Added golden files for GCP artifact operation outputs in various formats (table, JSON, YAML)

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