Update changelog

Author: daxpedda

.config/topic.dic

@@ -1,4 +1,4 @@
-15
+16
 Changelog
 CHANGELOG
 destructure/G
@@ -12,5 +12,6 @@ struct/S
 TODO
 tuple
 v1
+v2
 Versioning
 zeroize

CHANGELOG.md

@@ -4,6 +4,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+### Changed
+- Updated `syn` to v2.
+
+### Deprecated
+- The `crate` attribute now takes a path instead of a path inside a string
+  literal.
+
 ## [1.1.0] - 2022-02-06
 ### Added
 - `incomparable` variant and item attribute for `PartialEq` and `PartialOrd`