enos: Add perms to aws service account

This adds permissions to allow terraform to interact with policies.

enos/ci/service-user-iam/main.tf

@@ -182,6 +182,9 @@ data "aws_iam_policy_document" "enos_policy_document" {
       "iam:GetUser",
       "iam:GetUserId",
       "iam:GetUserPolicy",
+      "iam:GetPolicy",
+      "iam:GetPolicyVersion",
+      "iam:ListPolicyVersions",
       "iam:ListAccessKeys",
       "iam:ListAttachedRolePolicies",
       "iam:ListGroupsForUser",