Is it possible to split the build_args across multiple lines?

[wilmardo]

For some build I use a delimited string as input to loop over and do some action on in the Dockerfile. For example:
https://github.com/LANsible/docker-home-assistant/blob/main/.github/workflows/docker.yml#L19
https://github.com/LANsible/docker-home-assistant/blob/main/Dockerfile#L49

This now becomes one line, it would be nice to be able to split this across multiple lines, anyone an idea?
Something like this?

      build_args: |
        COMPONENTS=mqtt|buienradar|denonavr|androidtv|opentherm_gw|utility_meter|season|unifi|home_connect|stookwijzer
        CUSTOM_COMPONENTS=
           https://github.com/golles/ha-knmi/archive/refs/tags/v3.0.4.tar.gz|
           https://github.com/danielrivard/homeassistant-innova/archive/refs/tags/v1.5.1.tar.gz|
           https://github.com/marcolivierarsenault/moonraker-home-assistant/archive/refs/tags/1.11.1.tar.gz|
           https://github.com/kamaradclimber/heishamon-homeassistant/archive/refs/tags/1.18.3.tar.gz|
           https://github.com/mampfes/hacs_waste_collection_schedule/archive/refs/tags/2.10.0.tar.gz|
           # would be cool if comments in between are possible as well, to setup renovate
           https://github.com/PhantomPhoton/S3-Compatible/archive/refs/tags/v1.0.2.tar.gz

I tried a couple different things but couldn't get it to work, anyone some input? If refactoring the build-args is required that is fine by me as well, I am open for suggestion.

Thanks all <3