Release 8.4.0

🚀 Enhancement

• #1859 Allow @glimmer/component v2 (@mkszepp)

📝 Documentation

• #1858 Remove ember-prism, use primsjs in docs (@mkszepp)

🏠 Internal

• #1857 Replace scss to css compiler while rollup (@mkszepp)

Committers: 1

• Markus Sanin (@mkszepp)