CLSA-2025-1754940060 Fix CVE(s): CVE-2025-27613, CVE-2025-27614, CVE-2025-46835

SECURITY UPDATE: multiple vulnerabilities in Gitk and Git GUI - debian/patches/CVE-2025-27614CVE-2025-27613CVE-2025-46835.patch: Prevent script execution via specially crafted filenames in Gitk. Sanitize filename handling to avoid unintended file creation/truncation. Validate directory names in G...