doc: add symlink information for process.execpath

PR-URL: #35590
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Author: PoojaDurgad

doc/api/process.md

@@ -1185,7 +1185,7 @@ added: v0.1.100
 * {string}
 
 The `process.execPath` property returns the absolute pathname of the executable
-that started the Node.js process.
+that started the Node.js process. Symbolic links, if any, are resolved.
 
 <!-- eslint-disable semi -->
 ```js