Query with meta_query and tax_query together not working properly

Tax query is formed wrong. It also array of arrays(queries)

get_posts([
    'meta_query'    => [
        [
        'key' => 'country',
        'value' => 'Japan',
        'compare' => 'LIKE' 
        ]   
    ],
    'tax_query' => [
        [
            'taxonomy'  => 'category',
            'field'     => 'slug',
            'terms'     => ['kids']
        ]
            
    ]
]);

the array should look like this:

Array
(
    [meta_query] => Array
        (
            [relation] => OR
            [0] => Array
                (
                    [0] => Array
                        (
                            [key] => country
                            [value] => Japan
                            [compare] => LIKE
                        )
                )
        )

    [tax_query] => Array
        (
            [0] => Array
                (
                    [taxonomy] => category
                    [field] => slug
                    [terms] => Array
                        (
                            [0] => kids
                        )
                )
        )
)