v0.3.0

This version allow you to send exporter metada to the GO Feature Flag relay-proxy to enrich your evaluation data.
Check thomaspoignant/go-feature-flag#2936 to have more info.

• chore: Bump github.com/open-feature/swift-sdk from 0.2.0 to 0.2.1 by @dependabot in #14
• feat: Support Exporter Metadata by @thomaspoignant in #16

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