fix(ansible): disable artifact download prompt in with -y flag

[lexavtanke]

Description

Fix https://github.com/autowarefoundation/autoware/issues/4006. Also new --download-artifacts option was introduced. User can configure if he want to download artifacts or no then starting the script.

Tests performed

With ./setup-dev-env.sh -y no prompts are produced.

Effects on system behavior

Not applicable.

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