fix(autotest): stop running zapret.service before testing to free NFQUEUE

autotest.sh

@@ -130,6 +130,11 @@ main() {
     done
     echo ""
 
+    # Stop any running zapret service before testing
+    systemctl stop zapret.service 2>/dev/null || true
+    pkill -f "nfqws.*qnum=$NFQUEUE_NUM" 2>/dev/null || true
+    sleep 1
+
     [[ "$mode" == "interactive" ]] && read -rp "Press Enter to start..."
 
     cleanup_firewall >/dev/null 2>&1 || true