Prepare release 0.4.0

Author: sosthene-nitrokey

CHANGELOG.md

@@ -2,9 +2,11 @@
 
 ## Unreleased
 
--
+[All Changes](https://github.com/trussed-dev/cosey/compare/v0.4.0...HEAD)
 
-[All Changes](https://github.com/trussed-dev/cosey/compare/v0.3.2...HEAD)
+## [v0.4.0](https://github.com/trussed-dev/cosey/releases/tag/v0.4.0)
+
+- Update `heapless-bytes` to 0.5.0 ([#15](https://github.com/trussed-dev/cosey/pull/15))
 
 ## [v0.3.2](https://github.com/trussed-dev/cosey/releases/tag/v0.3.2) (2025-02-26)
 

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cosey"
-version = "0.3.2"
+version = "0.4.0"
 authors = ["Nicolas Stalder <n@stalder.io>"]
 license = "Apache-2.0 OR MIT"
 description = "Data types and serde for public COSE_Keys"