d/aws_iam_role_policies: new data source

[Eiji-Kudo]

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Description

Adds a new data source aws_iam_role_policies that lists the names of inline policies embedded in a specified IAM role using the ListRolePolicies API.

This is part of the request in #46579. The other two data sources (aws_iam_attached_role_policies and aws_iam_custom_policy_simulation) will be submitted as separate PRs.

PR Checklist

• Acceptance test covering the new data source
• Documentation (website/docs/d/iam_role_policies.html.markdown)
• Code generation (service_package_gen.go updated)

New Data Source

• aws_iam_role_policies

Example Usage

data "aws_iam_role_policies" "example" {
  role_name = "my-role-name"
}

Arguments

• role_name (Required) - Name of the IAM role.

Attributes

• policy_names - List of inline policy names associated with the role.

Testing

New acceptance tests:

• TestAccIAMRolePoliciesDataSource_basic
• TestAccIAMRolePoliciesDataSource_empty

Partially addresses #46579

[github-actions]

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[github-actions]

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