fix: Update CKV_AZURE_167 to correct check on retention policy

[paddymorgan84]

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Dear maintainer, below is a concise technical summary of the changes proposed in this PR:

Update the ACREnableRetentionPolicy class to correct the retention policy check by changing the inspected key to retention_policy_in_days and ensuring it expects any value. Modify the test cases to align with the new retention policy structure, removing outdated test scenarios.

Topic	Details
Test Case Adjustment	Modify the test cases to align with the new retention policy structure, removing outdated test scenarios. Modified files (2) tests/terraform/checks/resource/azure/test_ACREnableRetentionPolicy.py tests/terraform/checks/resource/azure/example_ACREnableRetentionPolicy/main.tf Latest Contributors(1) Email Commit Date james.woolfenden@gmail... feat-terraform-new-azu... December 28, 2022
Retention Policy Update	Update the ACREnableRetentionPolicy class to correct the retention policy check by changing the inspected key to retention_policy_in_days and ensuring it expects any value. Modified files (1) checkov/terraform/checks/resource/azure/ACREnableRetentionPolicy.py Latest Contributors(1) Email Commit Date james.woolfenden@gmail... feat-terraform-azurerm... November 28, 2022

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