What's Changed

• feat: add prefer-define-hero-tag rule by @san-smith in https://github.com/dart-code-checker/dart-code-metrics/pull/1184
• feat: add avoid-substring rule by @lsaudon in https://github.com/dart-code-checker/dart-code-metrics/pull/1206
• fix: handle dynamics in map literals for avoid-dynamic by @incendial in https://github.com/dart-code-checker/dart-code-metrics/pull/1194
• fix: correctly track prefixes usage for check-unused-code by @incendial in https://github.com/dart-code-checker/dart-code-metrics/pull/1208
• fix: visit only widgets for use-setstate-synchronously by @incendial in https://github.com/dart-code-checker/dart-code-metrics/pull/1210

Full Changelog: https://github.com/dart-code-checker/dart-code-metrics/compare/5.6.0...5.7.0