chore: add unreleased section to cliff.toml

CHANGELOG.md

@@ -5,8 +5,18 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased](https://github.com/foundry-rs/compilers/compare/v0.2.2...HEAD)
+
+### Miscellaneous Tasks
+
+- Add error severity fn helpers ([#48](https://github.com/foundry-rs/compilers/issues/48))
+
 ## [0.2.2](https://github.com/foundry-rs/compilers/releases/tag/v0.2.2) - 2024-01-19
 
+### Miscellaneous Tasks
+
+- Release 0.2.2
+
 ### Other
 
 - Rewrite dirty files discovery ([#45](https://github.com/foundry-rs/compilers/issues/45))

cliff.toml

@@ -14,6 +14,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 body = """
 {% if version %}\
     ## [{{ version | trim_start_matches(pat="v") }}](https://github.com/foundry-rs/compilers/releases/tag/v{{ version | trim_start_matches(pat="v") }}) - {{ timestamp | date(format="%Y-%m-%d") }}
+{% else %}\
+    ## [Unreleased](https://github.com/foundry-rs/compilers/compare/{{ previous.version }}...HEAD)
 {% endif %}\
 {% for group, commits in commits | group_by(attribute="group") %}
     ### {{ group | title }}