Add missing 4xl pack ID to the pipeline resource docs (#132)

## What

## Why

## Notes
<!-- Add any notes here -->

## Checklist

* [x] _I have read
[CONTRIBUTING.md](https://github.com/codefresh-io/terraform-provider-codefresh/blob/master/CONTRIBUTING.md)._
* [x] _I have [allowed changes to my fork to be
made](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/working-with-forks/allowing-changes-to-a-pull-request-branch-created-from-a-fork)._
* [x] _I have added tests, assuming new tests are warranted_.
* [x] _I understand that the `/test` comment will be ignored by the CI
trigger [unless it is made by a repo admin or
collaborator](https://codefresh.io/docs/docs/pipelines/triggers/git-triggers/#support-for-building-pull-requests-from-forks)._

Co-authored-by: Yonatan Koren <[email protected]>

codefresh/resource_pipeline.go

@@ -530,7 +530,7 @@ The following table presents how to configure this block based on the options av
 							},
 						},
 						"pack_id": {
-							Description: "SAAS pack (`5cd1746617313f468d669013` for Small; `5cd1746717313f468d669014` for Medium; `5cd1746817313f468d669015` for Large; `5cd1746817313f468d669017` for XL; `5cd1746817313f468d669018` for XXL).",
+							Description: "SAAS pack (`5cd1746617313f468d669013` for Small; `5cd1746717313f468d669014` for Medium; `5cd1746817313f468d669015` for Large; `5cd1746817313f468d669017` for XL; `5cd1746817313f468d669018` for XXL); `5cd1746817313f468d669020` for 4XL).",
 							Type:        schema.TypeString,
 							Optional:    true,
 						},

docs/resources/pipeline.md

@@ -129,7 +129,7 @@ Optional:
 - `contexts` (List of String) A list of strings representing the contexts ([shared_configuration](https://codefresh.io/docs/docs/configure-ci-cd-pipeline/shared-configuration/)) to be configured for the pipeline.
 - `cron_trigger` (Block List) The pipeline's cron triggers. Conflicts with the deprecated [codefresh_pipeline_cron_trigger](https://registry.terraform.io/providers/codefresh-io/codefresh/latest/docs/resources/pipeline_cron_trigger) resource. (see [below for nested schema](#nestedblock--spec--cron_trigger))
 - `options` (Block List, Max: 1) The options for the pipeline. (see [below for nested schema](#nestedblock--spec--options))
-- `pack_id` (String) SAAS pack (`5cd1746617313f468d669013` for Small; `5cd1746717313f468d669014` for Medium; `5cd1746817313f468d669015` for Large; `5cd1746817313f468d669017` for XL; `5cd1746817313f468d669018` for XXL).
+- `pack_id` (String) SAAS pack (`5cd1746617313f468d669013` for Small; `5cd1746717313f468d669014` for Medium; `5cd1746817313f468d669015` for Large; `5cd1746817313f468d669017` for XL; `5cd1746817313f468d669018` for XXL); `5cd1746817313f468d669020` for 4XL).
 - `priority` (Number) Helps to organize the order of builds execution in case of reaching the concurrency limit (default: `0`).
 - `required_available_storage` (String) Minimum disk space required for build filesystem ( unit Gi is required).
 - `runtime_environment` (Block List) The runtime environment for the pipeline. (see [below for nested schema](#nestedblock--spec--runtime_environment))