v3.0.0

What's Changed

• refactor!: remove EquatableMixin by @felangel in #217
• fix!: avoid custom toString override by @felangel in #218
• fix!: do not test for runtimeType equality for object comparison by @felangel in #219
• chore: v3.0.0 by @felangel in #220

Full Changelog: v2.1.0...v3.0.0