Disable question about unattended-upgrades

kali-config/common/includes.installer/preseed.cfg

@@ -37,5 +37,8 @@ d-i passwd/make-user boolean false
 # Enable eatmydata in kali-installer to boost speed installation
 d-i preseed/early_command string anna-install eatmydata-udeb
 
+# Disable question about automatic security updates
+d-i pkgsel/update-policy select none
+
 # Disable popularity-contest
 popularity-contest popularity-contest/participate boolean false