### Is there an existing issue for this?

- [X] I have searched the existing issues

### Enhancement description

Currently, I'm using Localstack to test locally a lambda function that takes s3`ObjectRestore:Completed` notifications as inputs and it would be really great to have support for these events.

I know that right now as a workaround I can invoke the lambda function manually using a payload with the same shape that s3 uses, but it's better to have the process run as close as it would run in AWS.

Thanks for creating and maintaining localstack, it's really great!

### 🧑‍💻 Implementation

Not sure, but happy to help if you can give me some pointers.

### Anything else?

_No response_
cls,
        request_context: RequestContext,
        key_name: str = None,
        version_id: str = None,
        allow_non_existing_key=False,
    ) -> "S3EventNotificationContext":
        """
        Create an S3EventNotificationContext from a RequestContext.
        The key is not always present in the request context depending on the event type. In that case, we can use
        a provided one.
        :param request_context: RequestContext
        :param key_name: Optional, in case it's not provided in the RequestContext
        :param version_id: Optional, can be given to get the key version in case of deletion
        :param allow_non_existing_key: Optional, indicates that a dummy Key should be created, if it does not exist (required for delete_objects)
        :return: S3EventNotificationContext
        """
        bucket_name = request_context.service_request["Bucket"]
        moto_backend = get_moto_s3_backend(request_context)
        bucket: FakeBucket = get_bucket_from_moto(moto_backend, bucket=bucket_name)
        try:
            key: FakeKey = get_key_from_moto_bucket(
                moto_bucket=bucket,