dependency: Update dependency net.kyori:adventure-text-minimessage to v4.20.0

Author: renovate[bot]

buildSrc/src/main/kotlin/Versions.kt

@@ -13,7 +13,7 @@ object Versions {
     const val PACKETS_EVENTS = "2.7.0"
 
     const val ADVENTURE_PLATFORM_BUKKIT = "4.3.4"
-    const val ADVENTURE_API = "4.19.0"
+    const val ADVENTURE_API = "4.20.0"
 
     const val LITE_COMMANDS = "3.9.7"
     const val OKAERI_CONFIGS_YAML_BUKKIT = "5.0.6"