Cucumber Scala v5.7.0

Added ➕

• [Scala] Scenario.log(String) & Scenario.attach(byte[], String, String) (#42 Gaël Jourdan-Weil)
• [Doc] Added Javadoc on ScalaDsl methods (#53 Gaël Jourdan-Weil)

Changed 🔀

• [Core] Update cucumber-core dependency to 5.7.0 (#42 Gaël Jourdan-Weil)
• [Build] Update Scala versions to 2.13.2 (#23 Gaël Jourdan-Weil)

Deprecated 👎

• [Scala] Scenario.write(String) & Scenario.embed(byte[], String, String) (#42 Gaël Jourdan-Weil)

Fixed 🔧

• [Build] Remove build warnings (#45 Gaël Jourdan-Weil)