AWS::RDS::DBCluster - Certain engines don't support being public

[kddejong]

Is this feature request related to a new rule or cfn-lint capabilities?

rules

Describe the feature you'd like to request

PubliclyAccessible isn't supported for DB engine aurora-mysql

Describe the solution you'd like

Validate that certain engines can't be public

Additional context

No response

Is this something that you'd be interested in working on?

• 👋 I may be able to implement this feature request

Would this feature include a breaking change?

• ⚠️ This feature might incur a breaking change

[kddejong]

You can't use storage type gp2

Engine: mysql
      MasterUsername: user
      MasterUserPassword: *******
      DBClusterInstanceClass: db.m5d.large
      AllocatedStorage: 100

[kddejong]

Covered in v1 with rule E3693

[kddejong]

gp2 is covered in E3692 in v1