Release 6.0.0

💥 Breaking Change

• #663 Drop support for Node 10 and 15 (@dcyriller)
• #627 Upgrade @glimmer/syntax to v0.82.0 (@lifeart)

🐛 Bug Fix

• #665 fix: Attribute closes the quotations prematurely (@dcyriller)

🏠 Internal

• #670 Update eslint related packages to latest (@rwjblue)

Committers: 3

• Alex Kanunnikov (@lifeart)
• Cyrille (@dcyriller)
• Robert Jackson (@rwjblue)