Themes: Pass correct variable to `is_php_version_compatible()` in `wp_theme_update_row()`.

This applies to the Themes screen in Multisite network admin.

Follow-up to [48660].

Props pbiron, afragen.
Reviewed by peterwilsoncc, SergeyBiryukov.
Merges [48689] to the 5.5 branch.
Fixes #48507. See #48491.
Built from https://develop.svn.wordpress.org/branches/5.5@48690


git-svn-id: http://core.svn.wordpress.org/branches/5.5@48452 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/update.php

@@ -646,7 +646,7 @@ function wp_theme_update_row( $theme_key, $theme ) {
 	$requires_php = isset( $response['requires_php'] ) ? $response['requires_php'] : null;
 
 	$compatible_wp  = is_wp_version_compatible( $requires_wp );
-	$compatible_php = is_php_version_compatible( $compatible_php );
+	$compatible_php = is_php_version_compatible( $requires_php );
 
 	printf(
 		'<tr class="plugin-update-tr%s" id="%s" data-slug="%s">' .

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-RC1-48687';
+$wp_version = '5.5-RC1-48690';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.