fix: Update CKV_AZURE_164 to correct check on trust policy

[paddymorgan84]

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

Update the ACRUseSignedImages class to correct the trust policy check by modifying the get_inspected_key and get_expected_value methods. Adjust the Terraform test files to align with the new trust policy structure by replacing trust_policy blocks with trust_policy_enabled attributes.

Topic	Details
Trust Policy Fix	Correct the trust policy check in the ACRUseSignedImages class by updating the get_inspected_key and get_expected_value methods to ensure accurate validation of Azure Container Registry configurations. Modified files (1) checkov/terraform/checks/resource/azure/ACRUseSignedImages.py Latest Contributors(1) Email Commit Date james.woolfenden@gmail... feat-terraform-Azure-u... November 27, 2022
Test File Update	Update Terraform test files to reflect the new trust policy structure by replacing trust_policy blocks with trust_policy_enabled attributes, ensuring consistency with the updated check logic. Modified files (2) tests/terraform/checks/resource/azure/example_ACRUseSignedImages/main.tf tests/terraform/checks/resource/azure/example_ACRGeoreplicated/main.tf Latest Contributors(2) Email Commit Date james.woolfenden@gmail... feat-terraform-new-azu... December 28, 2022 [email protected] chore-merge-Azure-ACR-... November 28, 2022

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