CDPCP-13398 - add skip check for extra fields on credential due to their current absence on the public API

[gregito]

No description provided.

[github-actions]

Go test coverage: 32.7% for commit 3bfb877

⚠️ 2 of 14 packages have zero coverage.

• github.com/cloudera/terraform-provider-cdp/resources/de
• github.com/cloudera/terraform-provider-cdp/resources/ml

View coverage for all packages

# Package Name                                                                  | Coverage
+ github.com/cloudera/terraform-provider-cdp/cdpacctest                         |    14.3%
+ github.com/cloudera/terraform-provider-cdp/provider                           |    78.7%
+ github.com/cloudera/terraform-provider-cdp/resources/datahub                  |    35.4%
+ github.com/cloudera/terraform-provider-cdp/resources/datalake                 |     8.2%
- github.com/cloudera/terraform-provider-cdp/resources/de                       |     0.0%
+ github.com/cloudera/terraform-provider-cdp/resources/dw/cluster/aws           |    71.7%
+ github.com/cloudera/terraform-provider-cdp/resources/dw/databasecatalog       |    65.8%
+ github.com/cloudera/terraform-provider-cdp/resources/dw/virtualwarehouse/hive |    73.3%
+ github.com/cloudera/terraform-provider-cdp/resources/environments             |    42.6%
+ github.com/cloudera/terraform-provider-cdp/resources/iam                      |     2.7%
- github.com/cloudera/terraform-provider-cdp/resources/ml                       |     0.0%
+ github.com/cloudera/terraform-provider-cdp/resources/opdb                     |    25.2%
+ github.com/cloudera/terraform-provider-cdp/utils                              |    55.3%
+ github.com/cloudera/terraform-provider-cdp/utils/test                         |    68.8%