Don't use --cache for apt for broader compatibility with docker imple…

…mentations that don't have buildkit toverainc#32

Dockerfile

@@ -2,22 +2,20 @@ FROM espressif/idf:release-v4.4
 
 ENV DEBIAN_FRONTEND="noninteractive"
 
-RUN \
- --mount=type=cache,target=/var/cache/apt \
- --mount=type=cache,target=/var/lib/apt/lists \
- apt-get -qq update && \
- apt-get -qq install \
+RUN apt-get -qq update && \
+ apt-get -qq install \
  git \
  libusb-1.0-0 \
  nano \
  python-is-python3 \
  python3 \
- python3-num2words \
+ python3-num2words \
  python3-pip \
  python3-requests \
  python3-venv \
  sudo \
- tio
+ tio \
+ && rm -rf /var/lib/apt/lists/*
 
 # Podman
 RUN useradd --create-home --uid 1000 build