doc: fix release-post script location

doc/contributing/releases.md

@@ -954,7 +954,12 @@ There is an automatic build that is kicked off when you promote new builds, so
 within a few minutes nodejs.org will be listing your new version as the latest
 release. However, the blog post is not yet fully automatic.
 
-Create a new blog post by running the [nodejs.org release-post.js script][].
+Create a new blog post by running the [nodejs.org release-post.js script][]:
+
+```console
+$ node ./scripts/release-post/index.mjs x.y.z                                                                                                                                                                                ✱
+```
+
 This script will use the promoted builds and changelog to generate the post. Run
 `npm run serve` to preview the post locally before pushing to the
 [nodejs.org repository][].
@@ -1287,5 +1292,5 @@ take place once a new LTS line has been released.
 [Snap]: https://snapcraft.io/node
 [build-infra team]: https://github.com/orgs/nodejs/teams/build-infra
 [expected assets]: https://github.com/nodejs/build/tree/HEAD/ansible/www-standalone/tools/promote/expected_assets
-[nodejs.org release-post.js script]: https://github.com/nodejs/nodejs.org/blob/HEAD/scripts/release-post.js
+[nodejs.org release-post.js script]: https://github.com/nodejs/nodejs.org/blob/HEAD/scripts/release-post/index.mjs
 [nodejs.org repository]: https://github.com/nodejs/nodejs.org