v5.28.0

What's new

• Autoload add-on tags, widgets, modifiers etc from folder #9270 by @ryanmitchell
• Allow filtering/sorting/paginating with the form:submissions tag #10826 by @duncanmcclean

What's fixed

• Fix assets not being uploadable when not using dynamic folders #10865 by @jasonvarga
• Fix "Undefined variable $key" error with Marketplace API Client #10854 by @duncanmcclean
• Fix false-positive on publish form Action exceptions #10855 by @caseydwyer
• Allow make:addon to work for any minimum-stability #10814 by @duncanmcclean