Update version.php

Author: laurentdavid

version.php

@@ -26,7 +26,7 @@
 
 $plugin->version    = 2023020200;        // The current plugin version (Date: YYYYMMDDXX).
 $plugin->requires   = 2012112900;        // Requires this Moodle version.
-$plugin->release    = 1.2;
+$plugin->release    = 1.3;
 $plugin->maturity    = MATURITY_STABLE;
 $plugin->component  = 'block_rss_thumbnails'; // Full name of the plugin (used for diagnostics).
 $plugin->dependencies = [];