Update changelog for 5.3.3

Author: michael-grunder

Changelog.md

@@ -25,6 +25,9 @@ and PhpRedis adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 - Fix hash_ops for PHP 8.0.1
   [87297cbb](https://www.github.com/phpredis/phpredis/commit/87297cbb4000c88b07e729b9379de321ead74aa2)
   ([defender-11](https://github.com/defender-11))
+- Disable clone for Redis and RedisCluster objects.  Presently they segfault.
+  [cd05a344](https://www.github.com/phpredis/phpredis/commit/87297cbb4000c88b07e729b9379de321ead74aa2)
+  ([Michael Grunder](https://github.com/michael-grunder))
 
 ## [5.3.2] - 2020-10-22 ([GitHub](https://github.com/phpredis/phpredis/releases/5.3.2), [PECL](https://pecl.php.net/package/redis/5.3.2))
 

package.xml

@@ -47,6 +47,8 @@ http://pear.php.net/dtd/package-2.0.xsd">
 
     * Fix PHP8 Windows includes [270b4db8] (Jan-E)
     * Fix hash ops for php 8.0.1 [87297cbb] (defender-11)
+    * Disable cloning Redis and RedisCluster objects [cd05a344]
+      (Michael Grunder)
 
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