Notifications should include the account number to avoid ambiguity

[baolsen]

Title.

Current notification body example:

⚠️ 2022-08-29 cost for account cloudandthings.io was $11.05 ⚠️
@channel
Service $Yday ∆% Last 7d
EC2 - Other $ 3.05 2% ▇▄▂▄▃▁▁▆
Amazon Virtual Private Cloud $ 2.93 0% ▁▂▄▄▄▇▇▇
AWS Config $ 2.87 0% ▁▇▄▆▃▁▁▅
Amazon Relational Database Service $ 1.02 0% ▇▇▇▇▇▇▇▇
AWS Security Hub $ 0.41 0% ▁▁▁▇▂▁▁▁
Other $ 0.77 0% ▁▂▇▁▁▁▁▁
Total $ 11.05 32% ▁▆▆▇▃▁▁▅

[baolsen]

Edit: It seems the notification is for an org rather than an account.
Leaving this issue open for time being, perhaps the message can be changed to "for organisation" instead of "for account"