Add ability to lookup full KMS key object by alias name so we can retrieve the target kms key ARN.

Use Case

See issue 5953 (#5953).

kms.Alias.fromAliasName(this, 'myKey', 'alias/myTestKey'), returns aliasName, which is great. But then I would like to get a Key ARN from that alias name.

Proposed Solution

Other

• 👋 I may be able to implement this feature request
• ⚠️ This feature might incur a breaking change

This is a 🚀 Feature Request