Merge pull request #662 from Jibbarth/patch-1

[Releases] Update stable and old-stable currently branch

Author: dunglas

extra/releases.md

@@ -4,8 +4,8 @@ API Platform follows the [Semantic Versioning](https://semver.org) strategy.
 
 Only 3 versions are maintained at the same time:
 
-* **stable** (currently the **2.2** branch): regular bug fixes are integrated in this version
-* **old-stable** (currently **2.1** branch): security fixes are integrated in this version, regular bug fixes are **not** backported in it
+* **stable** (currently the **2.3** branch): regular bug fixes are integrated in this version
+* **old-stable** (currently **2.2** branch): security fixes are integrated in this version, regular bug fixes are **not** backported in it
 * **development** (**master** branch): new features target this branch
 
 Older versions (1.x, 2.0...) **are not maintained**. If you still use them, you must upgrade as soon as possible.