Update external docs (#1950)

* update external docs

* fix location of security file

---------

Co-authored-by: Create or Update Pull Request Action <create-or-update-pull-request@users.noreply.github.com>
Co-authored-by: Sebastian Beltran <bjohansebas@gmail.com>

Author: 3 people

en/resources/contributing.md

@@ -276,7 +276,7 @@ not need high
 visibility or maintainer input. 
 ## Security Policies and Procedures
 
-<!-- SRC: expressjs/express Security.md -->
+<!-- SRC: expressjs/express SECURITY.md -->
 
 This document outlines security procedures and general policies for the Express
 project.