doc: add missing deprecation code

PR-URL: #37147
Refs: #36918
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Zijian Liu <lxxyxzj@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: cjihrig

doc/api/deprecations.md

@@ -2653,7 +2653,7 @@ In future versions of Node.js, `fs.rmdir(path, { recursive: true })` will throw
 on nonexistent paths, or when given a file as a target.
 Use `fs.rm(path, { recursive: true, force: true })` instead.
 
-### DEP0XXX: Main index lookup and extension searching
+### DEP0151: Main index lookup and extension searching
 <!-- YAML
 changes:
   - version: REPLACEME