Allow support for update RDS Oracle oracle-ee-cdb to enable multi-tenant configuration

[ricardocmoreno1]

Name of the resource

AWS::RDS::DBInstance

Resource name

No response

Description

RDS Oracle has come up with support for Converting the single-tenant configuration to multi-tenant.

Since, support for enable multi-tenant is allowed through RDS Console/CLI; AWS CloudFormation should support this well.

Documentation

https://aws.amazon.com/about-aws/whats-new/2023/11/amazon-rds-oracle-supports-oracle-multitenant/?nc1=h_ls

https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/oracle-single-tenant-converting.html

https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-rds-dbinstance.html

[zrfr]

Duplicate of https://github.com/aws-cloudformation/cloudformation-coverage-roadmap/issues/1979