However, for whatever reasons, Christof changed the base for the amd64 builds to the 'gcc' Docker image which is based on Debian/bookworm, so this is most likely your baseline glibc.
Look who's the author ;-) https://git.iem.at/pd/vstplugin/-/commit/49bcf453314469bfad2483d2766229f04df...
Which image should I use instead?