chore: bump version to 0.4.0

Author: h4l

CHANGELOG.md

@@ -8,6 +8,10 @@ and this project adheres to
 
 ## [Unreleased]
 
+Nothing yet.
+
+## [0.4.0]
+
 ### Backwards-incompatible changes
 
 #### Dependency changes
@@ -168,3 +172,4 @@ was installing the project from git and then working on other things, sorry!
 [0.1.0]: https://github.com/h4l/v8serialize/releases/tag/v0.1.0
 [0.2.0-alpha.0]: https://github.com/h4l/v8serialize/releases/tag/v0.2.0-alpha.0
 [0.3.0]: https://github.com/h4l/v8serialize/releases/tag/v0.3.0
+[0.4.0]: https://github.com/h4l/v8serialize/releases/tag/v0.4.0

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "v8serialize"
-version = "0.4.0-dev"
+version = "0.4.0"
 description = "Read & write JavaScript values from Python with the V8 serialization format."
 authors = ["Hal Blackburn <hwtb2@cam.ac.uk>"]
 license = "MIT"