Docs: Improve the hook documentation for the `plugins_api_args` filter.

Standardizes the hook doc summary and expands on the expected type for the `$args` parameter.

See #34035. See #32246.

Built from https://develop.svn.wordpress.org/trunk@34652


git-svn-id: http://core.svn.wordpress.org/trunk@34616 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/plugin-install.php

@@ -113,9 +113,9 @@ function plugins_api( $action, $args = array() ) {
 	}
 
 	/**
-	 * Override the Plugin Install API arguments.
+	 * Filter the WordPress.org Plugin Install API arguments.
 	 *
-	 * Please ensure that an object is returned.
+	 * Important: An object MUST be returned to this filter.
 	 *
 	 * @since 2.7.0
 	 *

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-34651';
+$wp_version = '4.4-alpha-34652';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.