Add oembed cache for acf field

function.php

```php

// oEmbed cache acf
/** Disables acf_field_oembed::format_value() */
add_action('acf/init', function () {
    $field_type = acf_get_field_type('oembed');
    remove_filter('acf/format_value/type=oembed', [$field_type, 'format_value']);
}, 1);

/** Fetch the cached oEmbed HTML; Replaces the original method */
add_filter('acf/format_value/type=oembed', function ($value, $post_id, $field) {
    if (!empty($value)) {
        $value = acf_oembed_get($value, $post_id, $field);
    }

    return $value;
}, 10, 3);

/** Cache the oEmbed HTML */
add_filter('acf/update_value/type=oembed', function ($value, $post_id, $field) {
    if (!empty($value)) {
        // Warm the cache
        acf_oembed_get($value, $post_id, $field);
    }

    return $value;
}, 10, 3);



/**
 * Attempts to fetch the embed HTML for a provided URL using oEmbed.
 *
 * Checks for a cached result (stored as custom post or in the post meta).
 *
 * @see  \WP_Embed::shortcode()
 *
 * @param  mixed   $value   The URL to cache.
 * @param  integer $post_id The post ID to save against.
 * @param  array   $field   The field structure.
 * @return string|null The embed HTML on success, otherwise the original URL.
 */
function acf_oembed_get($value, $post_id, $field)
{
    if (empty($value)) {
        return $value;
    }

    global $wp_embed;

    $attr = [
        'width'  => $field['width'],
        'height' => $field['height'],
    ];

    remove_filter('embed_oembed_html', 'Roots\\Soil\\CleanUp\\embed_wrap');

    $html = $wp_embed->shortcode($attr, $value);

    add_filter('embed_oembed_html', 'Roots\\Soil\\CleanUp\\embed_wrap');

    if ($html) {
        return $html;
    }

    return $value;
}
```