Bumping version strings to new version.

Author: haszari

src/Package.php

@@ -101,7 +101,7 @@ public static function container( $reset = false ) {
 				NewPackage::class,
 				function ( $container ) {
 					// leave for automated version bumping.
-					$version = '2.9.0-dev';
+					$version = '2.9.0';
 					return new NewPackage(
 						$version,
 						dirname( __DIR__ )