Update changelog

CHANGELOG.md

@@ -1,3 +1,9 @@
+### [1.10.10] 2020-08-03
+
+  * Fixed `create-project` not triggering events while installing the root package
+  * Fixed PHP 8 compatibility issue
+  * Fixed `self-update` to avoid automatically upgrading to the next major version once it becomes stable
+
 ### [1.10.9] 2020-07-16
 
   * Fixed Bitbucket redirect loop when credentials are outdated
@@ -873,6 +879,7 @@
 
   * Initial release
 
+[1.10.10]: https://github.com/composer/composer/compare/1.10.9...1.10.10
 [1.10.9]: https://github.com/composer/composer/compare/1.10.8...1.10.9
 [1.10.8]: https://github.com/composer/composer/compare/1.10.7...1.10.8
 [1.10.7]: https://github.com/composer/composer/compare/1.10.6...1.10.7