fix: Import the PSR-17 RequestFactoryInterface in the HttpPlugClient class file
fix: Import the PSR-17 RequestFactoryInterface in the HttpPlugClient class file

Previously, it was creating a Diactoros request directly; now it
properly uses a PSR-17 factory.

weierophinney/mwop.net,weierophinney/mwop.net,weierophinney/mwop.net,weierophinney/mwop.net