Update changelog

CHANGELOG.md

@@ -3,6 +3,10 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+### [1.7.2] 2020-12-03
+
+  * Fixed: Allow installing on php 8
+
 ### [1.7.1] 2020-09-27
 
   * Fixed: accidental validation of broken constraints combining ^/~ and wildcards, and -dev suffix allowing weird cases
@@ -86,6 +90,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
     - Namespace: `Composer\Test\Package\LinkConstraint` -> `Composer\Test\Semver\Constraint`
   * Changed: code style using php-cs-fixer.
 
+[1.7.2]: https://github.com/composer/semver/compare/1.7.1...1.7.2
 [1.7.1]: https://github.com/composer/semver/compare/1.7.0...1.7.1
 [1.7.0]: https://github.com/composer/semver/compare/1.6.0...1.7.0
 [1.6.0]: https://github.com/composer/semver/compare/1.5.2...1.6.0