Prepare v2.11.0 release

Author: SimonFrings

CHANGELOG.md

@@ -1,6 +1,15 @@
 CHANGELOG for 2.x
 =================
 
+## 2.11.0 (2023-11-16)
+
+This is a compatibility release to ensure a smooth upgrade path for those not yet
+on Promise v3. We encourage upgrading to the latest version when possible, as
+Promise v3 will be the way forward for this project.
+
+*   Feature: Full PHP 8.3 compatibility.
+    (#256 by @clue)
+
 ## 2.10.0 (2023-05-02)
 
 *   Feature: Support Disjunctive Normal Form Types (DNF types) for PHP 8.2+.

README.md

@@ -850,7 +850,7 @@ This project follows [SemVer](https://semver.org/).
 This will install the latest supported version:
 
 ```bash
-composer require react/promise:^2.10
+composer require react/promise:^2.11
 ```
 
 See also the [CHANGELOG](CHANGELOG.md) for details about version upgrades.