fix: Reverted the changes

Signed-off-by: skalidindi53 <s.teja2004@gmail.com>

lib/public/RichObjectStrings/Definitions.php

@@ -369,7 +369,7 @@ class Definitions {
 					'example' => '1080',
 				],
 				'blurhash' => [
-					'since' => '29.0.4',
+					'since' => '30.0.0',
 					'required' => false,
 					'description' => 'The blurhash of the image',
 					'example' => 'LEHV9uae2yk8pyo0adR*.7kCMdnj',