fix(IAM Policy Management): regenerate based on minor API update to operator

[swcolley]

PR summary

This is a minor regeneration based on update to enum for operators in v2/policies.
Issue: https://github.ibm.com/IAM/AM-issues/issues/2212

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

Tests:

pytest test/integration/test_iam_policy_management_v1.py 
================================================================== test session starts ===================================================================
platform darwin -- Python 3.9.17, pytest-7.4.4, pluggy-1.4.0
rootdir: /Users/shaunsmacibm/Desktop/cloud-platform/iam/sdk/platform-services-python-sdk
plugins: cov-4.1.0
collected 27 items                                                                                                                                       

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

================================================================== 27 passed in 23.54s ===================================================================

pytest examples/test_iam_policy_management_v1_examples.py 
================================================================== test session starts ===================================================================
platform darwin -- Python 3.9.17, pytest-7.4.4, pluggy-1.4.0
rootdir: /Users/shaunsmacibm/Desktop/cloud-platform/iam/sdk/platform-services-python-sdk
plugins: cov-4.1.0
collected 28 items                                                                                                                                       

examples/test_iam_policy_management_v1_examples.py ............................                                                                    [100%]

=================================================================== 28 passed in 7.33s ===================================================================

[padamstx]

LGTM

[ibm-devx-sdk]

🎉 This PR is included in version 0.51.1 🎉

The release is available on GitHub release

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