Feature Request [AWS::Lambda::Function] Environment variables Enable helpers for encryption in transit

### Name of the resource

AWS::Lambda::Function

### Resource name

_No response_

### Description

Currently there is no property to "Enable helpers for encryption in transit" for Lambda Environment Variables in CloudFormation [AWS::Lambda::Function](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-lambda-function-environment.html#cfn-lambda-function-environment-variables) resource type.

From Lambda console we can do it from Lambda Functions > *{MyLambdaFunction} >* Edit environment variables,
Expand `Encryption configuration`, under `Encryption in transit`, we can see `Enable helpers for encryption in transit` . Reference to Lambda doc - [Securing environment variables](https://docs.aws.amazon.com/lambda/latest/dg/configuration-envvars.html#configuration-envvars-encryption).

Requesting the feature to configure the Lambda Encryption configuration > Encryption in transit in CloudFormation.

### Other Details

_No response_

Start with the AWS::Lambda::Function environment property documentation and the linked Lambda “Securing environment variables” documentation. Confirm how the console’s “Enable helpers for encryption in transit” setting maps to the CloudFormation resource, then verify that the requested configuration can be represented and documented for the resource.

Written by the indexing model from the issue text.