function scan_head() {
        const current_language = navigator.language.split('-')[0];
        for (const $e of document.querySelectorAll(`script[src*="hcaptcha.com/1/api.js"]`)) {
            // observer.disconnect();
            const url = new URL($e.src);
            const lang = url.searchParams.get('hl') || current_language;
            if (lang === TARGET_LANG) {
                continue;
            }
            url.searchParams.set('hl', TARGET_LANG);
            $e.src = url.toString();
        }
    }
Sets the hCaptcha language to English.