Prepare v1.8.0 release

Author: clue

CHANGELOG.md

@@ -1,5 +1,25 @@
 # Changelog
 
+## 1.8.0 (2021-12-06)
+
+*   Feature: Add new `sleep()` function and deprecate `resolve()` and `reject()` functions.
+    (#51 by @clue)
+
+    ```php
+    // deprecated
+    React\Promise\Timer\resolve($time);
+    React\Promise\Timer\reject($time);
+
+    // new
+    React\Promise\Timer\sleep($time);
+    ```
+
+*   Feature: Support PHP 8.1 release.
+    (#50 by @Thomas-Gelf, #52 by @clue and #48 by @SimonFrings)
+
+*   Improve API documentation and add parameter types and return types.
+    (#49 by @clue and #47 by @SimonFrings)
+
 ## 1.7.0 (2021-07-11)
 
 A major new feature release, see [**release announcement**](https://clue.engineering/2021/announcing-reactphp-default-loop).

README.md

@@ -291,7 +291,7 @@ This project follows [SemVer](https://semver.org/).
 This will install the latest supported version:
 
 ```bash
-$ composer require react/promise-timer:^1.7
+$ composer require react/promise-timer:^1.8
 ```
 
 See also the [CHANGELOG](CHANGELOG.md) for details about version upgrades.