DF004 false positive with `distclean`

[Pesa]

FROM ubuntu:24.04
RUN apt-get install -U -y --no-install-recommends bash && apt-get distclean

droast incorrectly warns:

  WARN  [DF004]  apt cache not cleaned after install — adds unnecessary layer size
             at Dockerfile:2
             💬 "Not cleaning the apt cache is like finishing a meal and leaving all the wrappers in the container. Your image is now a trash can. A very expensive trash can stored in ECR."