Docs: Use 3-digit, x.x.x-style semantic versioning for two _doing_it_wrong() calls.

Follow-up to [37985], [38420], [39021].

See #52628.

git-svn-id: https://develop.svn.wordpress.org/trunk@50952 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/rest-api/endpoints/class-wp-rest-controller.php

@@ -50,7 +50,7 @@ abstract class WP_REST_Controller {
 			'WP_REST_Controller::register_routes',
 			/* translators: %s: register_routes() */
 			sprintf( __( "Method '%s' must be overridden." ), __METHOD__ ),
-			'4.7'
+			'4.7.0'
 		);
 	}