doc: cjs format is now commonjs

PR-URL: nodejs#18165
Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

doc/api/esm.md

@@ -132,7 +132,7 @@ module. This can be one of the following:
 | `format` | Description |
 | --- | --- |
 | `"esm"` | Load a standard JavaScript module |
-| `"cjs"` | Load a node-style CommonJS module |
+| `"commonjs"` | Load a node-style CommonJS module |
 | `"builtin"` | Load a node builtin CommonJS module |
 | `"json"` | Load a JSON file |
 | `"addon"` | Load a [C++ Addon][addons] |