chromium -- security fixes

Chrome Releases reports: This update includes 3 security fixes: 477033835 High CVE-2026-2648: Heap buffer overflow in PDFium. Reported by soiax on 2026-01-19 481074858 High CVE-2026-2649: Integer overflow in V8. Reported by JunYoung Park@candymate of KAIST Hacking Lab on 2026-02-03 476461867 Medi...