Add attributes to AWS::EC2::IPAMPool and add new data type IpamPoolSourceResourceRequest

### Name of the resource

Other

### Resource name

AWS::EC2::IPAMPool

### Description
To support the new capability [Amazon VPC IP Address Manager now automates IP address assignments for VPC subnets](https://aws.amazon.com/about-aws/whats-new/2023/11/amazon-vpc-ip-address-manager-assignments-vpc-subnets/), the following changes are required.

Add new attribute to resource [AWS::EC2::IPAMPool](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ec2-ipampool.html) according to api call [CreateIpamPool](https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_CreateIpamPool.html).
- `SourceResource`

Add new resource according to data type [IpamPoolSourceResourceRequest](https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_IpamPoolSourceResourceRequest.html)

### Other Details

See related issue [1851](https://github.com/aws-cloudformation/cloudformation-coverage-roadmap/issues/1851)

Start by reading the linked CreateIpamPool, IpamPoolSourceResourceRequest, and AWS::EC2::IPAMPool documentation, then compare the related issue 1851. Done means the IPAMPool coverage includes the SourceResource attribute and the IpamPoolSourceResourceRequest data type described by those API references.

Written by the indexing model from the issue text.