Update release notes and version

Author: martignoni

CHANGELOG.md

@@ -3,7 +3,7 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](https://semver.org/) and follow principles of [keep a changelog](https://keepachangelog.com).
 
-## Version 2.19.0, unreleased
+## Version 2.19.0, 2025-0113
 
 __This version is not compatible with versions of Moodle prior to Moodle 4.4!__
 

version.php

@@ -26,9 +26,9 @@
 
 $plugin = new stdClass();
 
-$plugin->version  = 2025011300;
-$plugin->release = '2.19.0dev';
+$plugin->version  = 2025011301;
+$plugin->release = '2.19.0';
 $plugin->requires = 2024042200;
 $plugin->supported = [404, 405];
-$plugin->maturity = MATURITY_BETA;
+$plugin->maturity = MATURITY_STABLE;
 $plugin->component = 'tool_moodlebox';