fix: make process.execve's args argument optional

Align the code with the documentation and similar methods used to
execute os commands - the `args` argument should be optional, and if
omitted, treated as an empty array (`[]`).

Fixes: #58411

Author: mureinik

lib/internal/process/per_thread.js

@@ -279,7 +279,7 @@ function wrapProcessMethods(binding) {
     return true;
   }
 
-  function execve(execPath, args, env) {
+  function execve(execPath, args = [], env) {
     emitExperimentalWarning('process.execve');
 
     const { isMainThread } = require('internal/worker');