Features
- support for AWS::LanguageExtensions transform features including DeletionPolicy, UpdateReplacePolicy, Fn::Length and Fn::ToJsonString [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/intrinsic-function-reference.html) (pull #[2339](https://github.com/aws-cloudformation/cfn-lint/pull/2339))
- Add rule [E1030](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#E1030) to validate Fn::Length is configured correctly (pull [2339](https://github.com/aws-cloudformation/cfn-lint/pull/2339))
- Add rule [E1031](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#E1030) to validate Fn::Length is configured correctly (pull [2339](https://github.com/aws-cloudformation/cfn-lint/pull/2339))