chore(python): Release 0.21.0

Author: Stranger6667

bindings/python/CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## [Unreleased]
 
+## [0.21.0] - 2026-06-16
+
 ### Removed
 
 - Support for Python 3.9.
@@ -583,7 +585,8 @@
 
 - Initial public release
 
-[Unreleased]: https://github.com/Stranger6667/css-inline/compare/python-v0.20.2...HEAD
+[Unreleased]: https://github.com/Stranger6667/css-inline/compare/python-v0.21.0...HEAD
+[0.21.0]: https://github.com/Stranger6667/css-inline/compare/python-v0.20.2...python-v0.21.0
 [0.20.2]: https://github.com/Stranger6667/css-inline/compare/python-v0.20.1...python-v0.20.2
 [0.20.1]: https://github.com/Stranger6667/css-inline/compare/python-v0.20.0...python-v0.20.1
 [0.20.0]: https://github.com/Stranger6667/css-inline/compare/python-v0.19.1...python-v0.20.0

bindings/python/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "css-inline-python"
-version = "0.20.2"
+version = "0.21.0"
 authors = ["Dmitry Dygalo <dmitry@dygalo.dev>"]
 edition = "2024"
 rust-version = "1.85"