doc: add performance note to --enable-source-maps docs

PR-URL: nodejs/node#43817
Reviewed-By: Ben Coe <bencoe@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>

Author: saurabhdaware

doc/api/cli.md

@@ -272,6 +272,11 @@ effort to report stack traces relative to the original source file.
 Overriding `Error.prepareStackTrace` prevents `--enable-source-maps` from
 modifying the stack trace.
 
+Note, enabling source maps can introduce latency to your application
+when `Error.stack` is accessed. If you access `Error.stack` frequently
+in your application, take into account the performance implications
+of `--enable-source-maps`.
+
 ### `--experimental-fetch`
 
 <!-- YAML