AHA sample only fetches resources from first affected account

[scoof]

https://github.com/aws-samples/aws-health-aware/blob/main/handler.py#L333 - it should iterate over all accounts

[andrewcr7]

Apologies, looking at the current vs prior code here, fixed this in release 2.2

This reflects in the current function linked below where AHA iterates over all accounts.

aws-health-aware/handler.py

Line 405 in fac8c9c

def get_affected_entities(health_client, event_arn, affected_accounts, is_org_mode):