/usr/share/lintian/overrides/libvte9 is in libvte9 1:0.28.2-5ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | # Setgid on purpose to write the utmp file
libvte9: setgid-binary usr/lib/libvte9/gnome-pty-helper 2755 root/utmp
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