scripts: disable man-db auto-update in apt optimization script

Co-Authored-By: sketch <hello@sketch.dev>
Change-ID: s5c0fd4b08cea2be8k
diff --git a/.github/scripts/optimize-apt.sh b/.github/scripts/optimize-apt.sh
index b5d43d7..5dba874 100755
--- a/.github/scripts/optimize-apt.sh
+++ b/.github/scripts/optimize-apt.sh
@@ -9,4 +9,8 @@
 path-exclude /usr/share/info/*
 EOF
 
-echo "APT optimization configured - documentation installation disabled"
+# Disable automatic man-db updates which can slow down apt operations
+sudo debconf-set-selections <<< "man-db man-db/auto-update boolean false"
+sudo rm -f /var/lib/man-db/auto-update
+
+echo "APT optimization configured - documentation installation disabled and man-db auto-update disabled"