chore: prepare release 4.2.0

Author: ramsey

CHANGELOG.md

@@ -21,6 +21,19 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Security
 
 
+## 4.2.0 - 2021-08-06
+
+### Added
+
+* Add `Ramsey\Uuid\Exception\UuidExceptionInterface` for all ramsey/uuid
+  exceptions to implement. See [ramsey/uuid#340](https://github.com/ramsey/uuid/pull/340).
+
+### Fixed
+
+* Fix serialization of UUIDs.
+  See [ramsey/uuid#361](https://github.com/ramsey/uuid/pull/361).
+
+
 ## 4.1.1 - 2020-08-18
 
 ### Fixed

docs/reference/exceptions.rst

@@ -4,8 +4,17 @@
 Exceptions
 ==========
 
+All exceptions in the :php:ns:`Ramsey\\Uuid` namespace implement
+:php:interface:`Ramsey\\Uuid\\Exception\\UuidExceptionInterface`. This provides
+a base type you may use to catch any and all exceptions that originate from this
+library.
+
 .. php:namespace:: Ramsey\Uuid\Exception
 
+.. php:interface:: UuidExceptionInterface
+
+    This is the interface all exceptions in ramsey/uuid must implement.
+
 .. php:exception:: BuilderNotFoundException
 
     Extends `RuntimeException <https://www.php.net/runtimeexception>`_.