Clinical Reasoning 3.21.0

What's Changed

• ReleaseVisitor to persist resolved dependencies by @sliver007 in #662
• Add operation provider for Library/$release by @barhodes in #664
• Add support for applicability behavior in $apply by @barhodes in #666
• Add direct reference codes to manifest during $release by @Chris0296 in #665
• Request resources returned by $apply should have active status by @barhodes in #667

Full Changelog: v3.20.0...v3.21.0