Update version tag

Author: Khadreal

readme.txt

@@ -5,7 +5,7 @@ Tags: backup, restore, cloud backup, database backup, wordpress backup
 Requires at least: 4.9
 Tested up to: 6.8
 Requires PHP: 7.4
-Stable tag: 5.2.3
+Stable tag: 5.3.0
 License: GPLv2+
 
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