v0.3.0 🌈

Changes

• fix: specs @jnylen (#18)

🧰 Maintenance

• Update mrml requirement from >= 0.2, < 0.6 to >= 0.2, < 0.7 @dependabot (#20)
• Bump rspec-rails from 5.0.1 to 5.0.2 @dependabot (#19)
• Bump rake from 13.0.3 to 13.0.6 @dependabot (#17)
• Update mrml requirement from >= 0.2, < 0.5 to >= 0.2, < 0.6 @dependabot (#15)
• Bump actionmailer from 5.2.5 to 5.2.6 @dependabot (#14)
• Bump railties from 5.2.5 to 5.2.6 @dependabot (#13)