v0.3.0

What's Changed

• updated circuit to use the array_helpers lib
• update to use v0.6.0 true/false return values via -> ci: install nargo using noirup by @TomAFrench in #1
• ci fixes via -> fixed stuff for noir 0.6.0 by @signorecello in #2

Full Changelog: v0.2.0...v0.3.0