Deprecate `cloud-host`, `cloud-token` and its related env vars in favor of `pipes-host` and `pipes-token`

[kaidaguerre]

• Deprecate cloud-host CLI argument.

• Deprecate cloud-token CLI argument.

• Deprecate cloud_host workspace argument.

• Deprecate cloud_token workspace argument.

• Deprecate STEAMPIPE_CLOUD_HOST env variable.

• Deprecate STEAMPIPE_CLOUD_TOKEN env variable.

• Add pipes-host CLI argument.

• Add pipes-token CLI argument.

• Add pipes_host workspace argument.

• Add pipes_token workspace argument.

• Add PIPES_HOST env variable.

• Add PIPES_TOKEN env variable.

[kaidaguerre]

fixed by d7ff47b16524a5c923fc844634d3a3c6af476baf