Release 7.26.4

🐛 Bug Fix

• #394 Include addon name directory in 'treeForAddon' (mitigate issues with Embroider when using external helpers) (@charlespierce)
• #400 Update _shouldHandleTypeScript to read from pkg.dependencies instead of relying on addons (@brendenpalmer)

Committers: 2

• Brenden Palmer (@brendenpalmer)
• Charles Pierce (@charlespierce)