Changeset 52328 for trunk/src/wp-includes/Requests/Transport/fsockopen.php

HTTP API: Revert changeset [52244].

Reverting Requests 2.0.0 changes and moving to WordPress 6.0 cycle. Why? The namespace and file case renaming revealed 2 issues in Core's upgrader process.

See https://core.trac.wordpress.org/ticket/54504#comment:22 for more information.

Follow-up to [52327].

See #54562, #54504.