tctl acl update/create: support output terraform (dry-run)

[kimlisa]

part of https://github.com/gravitational/teleport.e/issues/8271

This PR supports tctl acl create/update --output=terraform command to print terraform configs without applying the changes (dry-run)

Integration test is located in enterprise: https://github.com/gravitational/teleport.e/pull/9363 (it includes example output of the command through golden files)

Changelog: tctl acl create and tctl acl update now support --output=terraform to print the Terraform config for the resulting resources instead of applying the change (dry-run).

Manual Test Plan

Test Environment

cloud staging

Test Cases

both cases tests for a custom and a preset list:

• tctl acl create --output=terraform ... prints terraform config, and does not create the resources
• tctl acl update ABCD --output=terraform ... prints terraform config, and does not update the resource

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