minor #18150 [Process] 📝 process: create_new_console is only for windows (homersimpsons)

This PR was submitted for the 6.2 branch but it was squashed and merged into the 5.4 branch instead.

Discussion
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[Process] 📝 process: `create_new_console` is only for windows

cf: https://www.php.net/manual/en/function.proc-open.php

I find the current documentation a bit misleading because this option actually does nothing on non-Windows systems

Commits
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bc79167 [Process] 📝 process: `create_new_console` is only for windows

Author: OskarStark

components/process.rst

@@ -113,6 +113,11 @@ You can configure the options passed to the ``other_options`` argument of
     // this option allows a subprocess to continue running after the main script exited
     $process->setOptions(['create_new_console' => true]);
 
+.. note::
+
+    The ``create_new_console`` option is only available on Windows!
+
+
 Using Features From the OS Shell
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