fix(IAM Policy Management): S2S support for enterprise accounts

[Rajesh-Pirati]

PR summary

Authorization policy type support for enterprise accounts
issue: https://github.ibm.com/IAM/AM-issues/issues/2350

PR Checklist

Please make sure that your PR fulfills the following requirements:

• The commit message follows the Angular Commit Message Guidelines.
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

Current vs new behavior

Does this PR introduce a breaking change?

• Yes
• No

Other information

test results:

example:

get_v2_assignment_policy() result:
{
  "id": "032661b9-ac63-4972-ad28-52909db77844",
  "type": "authorization",
  "subject": {
    "attributes": [
      {
        "value": "compliance",
        "operator": "stringEquals",
        "key": "serviceName"
      },
      {
        "value": "0ddc8e9eb0894383b48791ff4ba0b80e",
        "operator": "stringEquals",
        "key": "accountId"
      }
    ]
  },
  "resource": {
    "attributes": [
      {
        "value": "appid",
        "operator": "stringEquals",
        "key": "serviceName"
      },
      {
        "value": "0ddc8e9eb0894383b48791ff4ba0b80e",
        "operator": "stringEquals",
        "key": "accountId"
      }
    ]
  },
  "control": {
    "grant": {
      "roles": [
        {
          "role_id": "crn:v1:bluemix:public:iam::::serviceRole:Reader"
        }
      ]
    }
  },
  "href": "https://iam.test.cloud.ibm.com/v1/policies/032661b9-ac63-4972-ad28-52909db77844",
  "created_at": "2024-04-16T12:24:16.904Z",
  "created_by_id": "test_sdk",
  "last_modified_at": "2024-04-16T12:24:17.493Z",
  "last_modified_by_id": "test_sdk",
  "state": "active",
  "version": "v1.0",
  "template": {
    "id": "policyTemplate-5b44c0c7-eed5-4b8d-8de1-e881a1b9115d",
    "version": "2",
    "assignment_id": "policyAssignment-004f64b3-c5df-4d93-8e87-e099b7a443e3"
  }
}
.
delete_policy_assignment() response status code:  204
.
delete_policy_template() response status code:  204
.

================================================================================================================ warnings summary =================================================================================================================
../../../venv/lib/python3.9/site-packages/urllib3/__init__.py:34
  /Users/rajesh/venv/lib/python3.9/site-packages/urllib3/__init__.py:34: NotOpenSSLWarning: urllib3 v2 only supports OpenSSL 1.1.1+, currently the 'ssl' module is compiled with 'LibreSSL 2.8.3'. See: https://github.com/urllib3/urllib3/issues/3020
    warnings.warn(

-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
========================================================================================================= 31 passed, 1 warning in 24.34s ==========================================================================================================

integration tests

=============================================================================================================== test session starts ===============================================================================================================
platform darwin -- Python 3.9.6, pytest-7.4.4, pluggy-1.3.0
rootdir: /Users/rajesh/iam-project/platform-sdk/platform-services-python-sdk
plugins: cov-4.1.0
collected 33 items                                                                                                                                                                                                                                

test/integration/test_iam_policy_management_v1.py .................................                                                                                                                                                         [100%]

================================================================================================================ warnings summary =================================================================================================================
../../../venv/lib/python3.9/site-packages/urllib3/__init__.py:34
  /Users/rajesh/venv/lib/python3.9/site-packages/urllib3/__init__.py:34: NotOpenSSLWarning: urllib3 v2 only supports OpenSSL 1.1.1+, currently the 'ssl' module is compiled with 'LibreSSL 2.8.3'. See: https://github.com/urllib3/urllib3/issues/3020
    warnings.warn(

-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
========================================================================================================= 33 passed, 1 warning in 22.37s =======================================================================================================

[CLAassistant]

All committers have signed the CLA.

[padamstx]

LGTM

[ibm-devx-sdk]

🎉 This PR is included in version 0.53.4 🎉

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