doc: add version description about fsPromise.constants

PR-URL: #45556
Refs: #43177
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Author: lvqq

doc/api/fs.md

@@ -1719,6 +1719,12 @@ system requests but rather the internal buffering `fs.writeFile` performs.
 
 ### `fsPromises.constants`
 
+<!-- YAML
+added:
+  - v18.4.0
+  - v16.17.0
+-->
+
 * {Object}
 
 Returns an object containing commonly used constants for file system