chore(ec2): add kafka connect interface vpc endpoint (aws#32966)

### Issue # (if applicable)

None

### Reason for this change

There is a new interface VPC endpoint which is not supported by AWS CDK.

### Description of changes

- Add KAFKA_CONNECT interface VPC Endpoint

### Describe any new or updated permissions being added

None

### Description of how you validated changes

Execute AWS CLI
```sh
$ aws ec2 describe-vpc-endpoint-services --filters Name=service-type,Values=Interface Name=owner,Values=amazon --region us-east-1 --query ServiceNames | grep kafkaconnect
    "com.amazonaws.us-east-1.kafkaconnect",
```

### Checklist
- [x] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

packages/aws-cdk-lib/aws-ec2/lib/vpc-endpoint.ts

@@ -461,6 +461,7 @@ export class InterfaceVpcEndpointAwsService implements IInterfaceVpcEndpointServ
   public static readonly IOT_TWINMAKER_API = new InterfaceVpcEndpointAwsService('iottwinmaker.api');
   public static readonly IOT_TWINMAKER_DATA = new InterfaceVpcEndpointAwsService('iottwinmaker.data');
   public static readonly KAFKA = new InterfaceVpcEndpointAwsService('kafka');
+  public static readonly KAFKA_CONNECT = new InterfaceVpcEndpointAwsService('kafkaconnect');
   public static readonly KAFKA_FIPS = new InterfaceVpcEndpointAwsService('kafka-fips');
   public static readonly KENDRA = new InterfaceVpcEndpointAwsService('kendra');
   public static readonly KENDRA_RANKING = new InterfaceVpcEndpointAwsService('kendra-ranking', 'aws.api');