Merge pull request #30220 from codyhoag/aws-permissions-update

BZ#1936541 Add missing AWS permission

Author: codyhoag

modules/installation-aws-permissions.adoc

@@ -201,6 +201,7 @@ If you use an existing VPC, your account does not require these permissions for
 * `elasticloadbalancing:DescribeTargetGroups`
 * `iam:DeleteAccessKey`
 * `iam:DeleteUser`
+* `iam:ListAttachedRolePolicies`
 * `iam:ListInstanceProfiles`
 * `iam:ListRolePolicies`
 * `iam:ListUserPolicies`