### Is there an existing issue for this?

- [X] I have searched the existing issues

### Enhancement description

AWS Lambda recently added support for Java 17 as managed runtime:
https://aws.amazon.com/about-aws/whats-new/2023/04/aws-lambda-java-17/



### 🧑‍💻 Implementation

_No response_

### Anything else?

_No response_
CROSS_ACCOUNT_ATTR = CrossAccountAttribute(default=list)
        CROSS_REGION_ATTR = CrossRegionAttribute(default=list)
        region_specific_attr = LocalAttribute(default=list)
    return AccountRegionBundle("zzz", SampleStore, validate=False)
@pytest.fixture()
def sample_backend_dict() -> BackendDict:
    class SampleBackend(BaseBackend):