Wire up the remainder of aws.iam.role.createdAt (#5216)

It was in the code but not the lr which caused failures

```
[failed] [].all()
  error: [aws] cannot set 'createdAt' in resource 'aws.iam.group', field not found
```

Signed-off-by: Tim Smith <tsmith84@gmail.com>

providers/aws/resources/aws.lr

@@ -907,8 +907,10 @@ private aws.iam.group @defaults("arn name") {
   id string
   // Name of the group
   name string
-  // Time when the group was created
+  // Time when the group was created: deprecated, use createdAt
   createDate time
+  // Time when the group was created
+  createdAt time
   // List of usernames that belong to the group
   usernames []string
 }

providers/aws/resources/aws.lr.manifest.yaml

@@ -2006,6 +2006,8 @@ resources:
     fields:
       arn: {}
       createDate: {}
+      createdAt:
+        min_mondoo_version: 9.0.0
       id: {}
       name: {}
       usernames: {}