CLSA-2026-1777567687 Fix CVE(s): CVE-2026-35385

SECURITY UPDATE: scp setuid/setgid bit handling - debian/patches/CVE-2026-35385.patch: when downloading files as root in legacy -O mode and without the -p preserve modes flag, mask out setuid/setgid bits in scp1 sink. - CVE-2026-35385...