External Libraries: Update React, ReactDOM and Lodash.

This updates:
- `react` and `react-dom` from `16.9.0` to `16.13.1`.
- `lodash from `4.17.15` to `4.17.19`.

Props isabel_brison.
Fixes #51505.

git-svn-id: https://develop.svn.wordpress.org/trunk@49165 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/script-loader.php

@@ -94,10 +94,10 @@ function wp_default_packages_vendor( $scripts ) {
 	);
 
 	$vendor_scripts_versions = array(
-		'react'                       => '16.9.0',
-		'react-dom'                   => '16.9.0',
+		'react'                       => '16.13.1',
+		'react-dom'                   => '16.13.1',
 		'moment'                      => '2.26.0',
-		'lodash'                      => '4.17.15',
+		'lodash'                      => '4.17.19',
 		'wp-polyfill-fetch'           => '3.0.0',
 		'wp-polyfill-formdata'        => '3.0.12',
 		'wp-polyfill-node-contains'   => '3.42.0',