ftp/curl: Update to 8.19.0
- Remove CURL_DEBUG option
Changes: https://curl.se/changes.html
Security: CVE-2025-13034, CVE-2025-14017, CVE-2025-14524, CVE-2025-14819, CVE-2025-15079, CVE-2025-15224, CVE-2026-1965, CVE-2026-3783, CVE-2026-3784, CVE-2026-3805