doc: add missing step to npm release process

PR-URL: #27105
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: Yongsheng Zhang <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>

Author: MylesBorins

doc/guides/maintaining-npm.md

@@ -25,13 +25,14 @@ or if you already have npm cloned make sure the repo is up to date
 
 ```console
 $ git remote update -p
-$ git reset --hard origin latest
+$ git reset --hard origin/latest
 ```
 
 ## Step 2: Build release
 
 ```console
 $ git checkout vX.Y.Z
+$ make
 $ make release
 ```