Prepare release 0.3.0

Author: eldruin

CHANGELOG.md

@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
+
+...
+
+## [v0.3.0] - 2021-04-29
 ### Added
 - `heapless` is now publicly exported
 - Added new `serialize_bytes` method
@@ -39,6 +43,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 Initial release
 
-[Unreleased]: https://github.com/rust-embedded-community/serde-json-core/compare/v0.2.0...HEAD
+[Unreleased]: https://github.com/rust-embedded-community/serde-json-core/compare/v0.3.0...HEAD
+[v0.3.0]: https://github.com/rust-embedded-community/serde-json-core/compare/v0.2.0...v0.3.0
 [v0.2.0]: https://github.com/rust-embedded-community/serde-json-core/compare/v0.1.0...v0.2.0
 [v0.1.0]: https://github.com/rust-embedded-community/serde-json-core/releases/tag/v0.1.0

Cargo.toml

@@ -9,7 +9,7 @@ license = "MIT OR Apache-2.0"
 name = "serde-json-core"
 readme = "README.md"
 repository = "https://github.com/rust-embedded-community/serde-json-core"
-version = "0.2.0"
+version = "0.3.0"
 
 [dependencies]
 heapless = "0.6.1"