Understudy Desktop v0.3.40

What's Changed

• ci: mirror desktop DMGs to R2 by @lluisinthedesert in #311
• Desktop: design language v2.0 alignment + WorkOS AuthKit user sign-in by @lluisinthedesert in #312
• release: Desktop 0.3.40 / CLI 0.6.37 by @lluisinthedesert in #313

Full Changelog: desktop-v0.3.39-mvp...desktop-v0.3.40-mvp