v0.12.0

Changes since v0.11.1

Backend

• Process site only if not in watch mode (#700)
• Bring Ruby dependencies up to date (#715)
• Rewind request.body only when possible (#719)

Development

• Bump actions/checkout to v4 (#717)
• Bump actions/upload-artifact to v4
• Add Ruby 3.4 to CI matrix (#722)

Documentation

• Update CI status badge (#682)