release: bumps wdl-core version to v0.2.0

Author: a-frantz

wdl-core/CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## 0.2.0 - 5-31-2024
 
 ### Added
 

wdl-core/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "wdl-core"
-version = "0.1.0"
+version = "0.2.0"
 description = "Common functionality for the `wdl` family of crates"
 license.workspace = true
 edition.workspace = true