chore: changelog 2.7.9

Author: soyuka

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## v2.7.9
+
+### Bug fixes
+
+* [1983089d9](https://github.com/api-platform/core/commit/1983089d9c2de4bb9fc36c60929aff538af89b8e) fix(metadata): reader should be nullable (#5378)
+* [80aeb3158](https://github.com/api-platform/core/commit/80aeb3158311ff4ce9ad28b7f813dedee7744828) fix(symfony): autoconfigure elasticsearch extension (#5379)
+
 ## v2.7.8
 
 ### Bug fixes
@@ -1266,4 +1273,4 @@ Please read #2825 if you have issues with the behavior of Readable/Writable Link
 ## 1.0.0 beta 2
 
 * Preserve indexes when normalizing and denormalizing associative arrays
-* Allow setting default order for property when registering a `Doctrine\Orm\Filter\OrderFilter` instance
+* Allow setting default order for property when registering a `Doctrine\Orm\Filter\OrderFilter` instance