[AWS::EC2::VPCEndpoint] - [Coverage] - Subnet configurations

### Name of the resource

AWS::EC2::VPCEndpoint

### Resource name

_No response_

### Description

The CLI operation `create-vpc-endpoint` supports a `--subnet-configurations` option that allows us to specify a custom IP address for the endpoint .

### Other Details

([Announcement post](https://aws.amazon.com/about-aws/whats-new/2023/08/aws-privatelink-user-defined-ip-vpc-endpoints/))

https://docs.aws.amazon.com/cli/latest/reference/ec2/create-vpc-endpoint.html

Start by locating the CloudFormation coverage or resource specification entry for AWS::EC2::VPCEndpoint and compare it with the create-vpc-endpoint documentation linked in the issue. Done means the subnet-configurations option, including custom endpoint IP addresses, is represented and covered for this resource.

Written by the indexing model from the issue text.