Prepare 0.4.0 release

CHANGELOG.md

@@ -6,6 +6,21 @@ This project adheres to [Semantic Versioning](https://semver.org), except that 
 
 Do not manually edit this file. It will be automatically updated when a new release is published.
 
+## 0.4.0
+_16 June 2022_
+
+* Add status badges for CI validation, crates.io, and code coverage ([#46](https://github.com/contentauth/c2pa-rs/pull/46))
+* Remove self-signed end-entity cert support ([#48](https://github.com/contentauth/c2pa-rs/pull/48))
+* Add rustfmt toml to get edition 2018 formatting ([#36](https://github.com/contentauth/c2pa-rs/pull/36))
+* (MINOR) Update from_bytes(_async) to return a Result ([#43](https://github.com/contentauth/c2pa-rs/pull/43))
+* Adjust temp signer reserved sizes to account for large timestamps ([#45](https://github.com/contentauth/c2pa-rs/pull/45))
+* Fix bug in verify_from_buffer ([#44](https://github.com/contentauth/c2pa-rs/pull/44))
+* Remove cargo edit from publish workflow ([#42](https://github.com/contentauth/c2pa-rs/pull/42))
+* Apply fix from c2patool publish workflow ([#40](https://github.com/contentauth/c2pa-rs/pull/40))
+* Remove need for using OpenSSL to generate certs by using pre-generated certs ([#41](https://github.com/contentauth/c2pa-rs/pull/41))
+* Update README and pull request template with formatting changes ([#38](https://github.com/contentauth/c2pa-rs/pull/38))
+
+
 ## 0.3.0
 _ 8 June 2022_