v0.4.0

What's Changed

• Refactor client options by @janezpodhostnik in #29
• Upgrade dependencies by @janezpodhostnik in #36
• Client metrics injection change by @janezpodhostnik in #37
• Update licence by @janezpodhostnik in #38
• Upgrade to Cadence 1.0 by @janezpodhostnik in #39

Full Changelog: v0.3.2...v0.4.0