Added

• Support for 1.20.6 (#17) (thanks uku3lig!)

Changed

• yarn: 1.20.4+build.2 -> 1.20.6+build.1
• fabric loader: 0.15.1 -> 0.15.11
• fabric api: 0.91.2+1.20.4 -> 0.98.0+1.20.6
• loom: 1.4-SNAPSHOT -> 1.6-SNAPSHOT
• Gradle deprecation warnings have been fixed (#17)
• Gradle workflows have been modernized (#17)