✨ Enhancements

New Rules:

• #1466 Added vue/no-invalid-model-keys rule that disallow invalid model option keys.
• #1474 Added vue/no-unused-refs rule that reports refs that are defined using the ref attribute in <template> but are not used via $refs.

Other changes in Rules:

• #1465 Added singleline.allowFirstLine option to vue/max-attributes-per-line rule.

🐛 Bug Fixes

• #1469 Fixed false negative in as expression for vue/require-valid-default-prop rule.

All commits: v7.8.0 -> v7.9.0