fixed risk score

Author: terrancedejesus

rules/integrations/aws/exfiltration_sns_email_subscription_by_rare_user.toml

@@ -59,7 +59,7 @@ For further guidance on managing and securing SNS topics in AWS environments, re
 
 """
 references = ["https://docs.aws.amazon.com/sns/latest/api/API_Subscribe.html"]
-risk_score = 23
+risk_score = 21
 rule_id = "3df49ff6-985d-11ef-88a1-f661ea17fbcd"
 severity = "low"
 tags = [