5.3.3

This release mostly includes just small PHP 8 Windows compatibility fixes
such that pecl.php.net can automatically build Windows DLLs.

You can find a detailed list of changes in Changelog.md and package.xml

* 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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