2364: Update Dockerfile r=mergify[bot] a=twekkel
apt is intended for interactive usage, for scripts use apt-get (https://manpages.debian.org/bullseye/apt/apt.8.en.html) to avoid warnings.
## What type of PR?
minor enhancement
## What does this PR do?
replace apt with apt-get to avoid below warning
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
## Prerequisites
-
Co-authored-by: Eddy Vervest <57325478+twekkel@users.noreply.github.com>