Dockerfile: fix ENV warning (#791)

Newer versions of docker generate the following warning

   - LegacyKeyValueFormat: "ENV key=value" should be used instead of
     legacy "ENV key value" format (line 4)
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Stefan Becker 2025-01-02 15:26:42 +02:00 committed by GitHub
parent fc280356b1
commit fb5180d3de
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@ -1,7 +1,7 @@
ARG BASE_IMAGE=debian:bullseye
FROM ${BASE_IMAGE}
ENV DEBIAN_FRONTEND noninteractive
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get -y update && \
apt-get -y install --no-install-recommends \