fix: update IBM package manager URLs (#4764)

Author: zanonris

locale/en/download/package-manager.md

@@ -400,5 +400,5 @@ scoop install nodejs
 
 IBM® SDK for Node.js - z/OS® is available in two installation formats,
 SMP/E and PAX. Select the installation format that applies to you:
-* [Installing and configuring SMP/E edition of Node.js on z/OS](https://www.ibm.com/support/knowledgecenter/SSTRRS_14.0.0/com.ibm.nodejs.zos.v14.doc/smpe.htm)
-* [Installing and configuring PAX edition of Node.js on z/OS](https://www.ibm.com/support/knowledgecenter/SSTRRS_14.0.0/com.ibm.nodejs.zos.v14.doc/paxz.htm)
+* [Installing and configuring SMP/E edition of Node.js on z/OS](https://www.ibm.com/docs/en/sdk-nodejs-zos/14.0?topic=configuring-installing-smpe-edition)
+* [Installing and configuring PAX edition of Node.js on z/OS](https://www.ibm.com/docs/en/sdk-nodejs-zos/14.0?topic=configuring-installing-pax-edition)