Post branching 5.8 version bump.

`trunk` is now `5.9-alpha`.

git-svn-id: https://develop.svn.wordpress.org/trunk@51272 602fd350-edb4-49c9-b593-d223f7449a82

package-lock.json

@@ -1,6 +1,6 @@
 {
 	"name": "WordPress",
-	"version": "5.8.0",
+	"version": "5.9.0",
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "WordPress",
-	"version": "5.8.0",
+	"version": "5.9.0",
 	"description": "WordPress is open source software you can use to create a beautiful website, blog, or app.",
 	"repository": {
 		"type": "svn",

src/wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.8-RC1-51270-src';
+$wp_version = '5.9-alpha-51272-src';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.