Update changelog for 2.19.0 release

acrobat · acrobat · commit 271b3ca6f7b3 · 2020-12-21T19:32:50.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 2.19.0
+
+### Added
+- Mark some classes as final ([acrobat](https://github.com/acrobat)) [#954](https://github.com/KnpLabs/php-github-api/issues/954)
+
 ## 2.18.0
 
 ### Added
