Prepare for release 5.9.1

[ci skip]

Signed-off-by: Maurício Meneghini Fauth <mauricio@mfauth.net>

Author: MauricioFauth

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Change Log
 
+## [5.9.1] - 2024-08-13
+
+- Allow parsing ALTER TABLE statement with column check constraint (#554)
+- Add support for PHPUnit 10 (#573)
+
 ## [5.9.0] - 2024-01-20
 
 - Fix keywords not being recognized as table alias (#496)
@@ -560,3 +565,6 @@ __Breaking changes:__
 ## [1.0.0] - 2015-08-20
 
 * First release of this library.
+
+[5.9.1]: https://github.com/phpmyadmin/sql-parser/compare/5.9.0...5.9.1
+[5.9.0]: https://github.com/phpmyadmin/sql-parser/compare/5.8.2...5.9.0