Update CHANGELOG and version.

Author: fabiocaccamo

CHANGELOG.md

@@ -4,6 +4,12 @@ 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).
 
+## [0.21.0](https://github.com/fabiocaccamo/python-fontbro/releases/tag/0.21.0) - 2024-03-07
+-   Add type hints.
+-   Add vertical metrics keys available as class properties.
+-   Improve code quality.
+-   Bump requirements and `pre-commit` hooks
+
 ## [0.20.0](https://github.com/fabiocaccamo/python-fontbro/releases/tag/0.20.0) - 2024-01-29
 -   Add more vertical metrics: `units_per_em`, `y_max`, `y_min`, `ascent`, `descent`, `line_gap`, `typo_ascender`, `typo_descender`, `typo_line_gap`, `cap_height`, `x_height`, `win_ascent`, `win_descent`.
 

fontbro/metadata.py

@@ -4,4 +4,4 @@
 __email__ = "fabio.caccamo@gmail.com"
 __license__ = "MIT"
 __title__ = "python-fontbro"
-__version__ = "0.20.0"
+__version__ = "0.21.0"