Add MozDef alerting to group role map builder

[gene1wood]

Since we're already looking at all IAM policies that are used for federated login, we might as well make sure there aren't any dangerous conditions present for example

• a policy which has no amr check thereby allowing every user that can authenticate with Auth0
• a policy which uses a federated identity provider other than auth0
• a policy which through amr checks allows all users (e.g. the policy has a StringNotEquals instead of a StringEquals on an amr value)

etc

When we detect these risky situations we should alert to MozDef or something.

Original Jira ticket IAM-140