version increment

Author: Amrita1991

version.php

@@ -28,4 +28,4 @@
 $plugin->version   = 2025090300;
 $plugin->release  = 'PDF Annotator v1.5 release 9';
 $plugin->requires  = 2021051700;
-$plugin->maturity  = MATURITY_RC;
+$plugin->maturity  = MATURITY_STABLE;