Release 3.5.1

What's Changed

• WordPress Playground support by @joehoyle in humanmade/accelerate#449
• Fix some PHP doc inaccuracies by @joehoyle in humanmade/accelerate#470
• Convert more components to Typescript by @joehoyle in humanmade/accelerate#469
• Improve traffic generator cli command by @joehoyle in humanmade/accelerate#467
• Fix alignment on global blocks / experiments by @joehoyle in humanmade/accelerate#472

Full Changelog: humanmade/accelerate@3.5.0...3.5.1