chore(deps): Update adventureApi to v4.18.0

Author: renovate[bot]

gradle/libs.versions.toml

@@ -16,7 +16,7 @@ bukkit = "1.13.2-R0.1-SNAPSHOT"
 commodore = "2.2"
 bungeecord = "1.20-R0.2"
 cloudburst = "1.0.0-SNAPSHOT"
-adventureApi = "4.15.0"
+adventureApi = "4.18.0"
 adventurePlatform = "4.3.4"
 paperApi = "1.20.6-R0.1-SNAPSHOT"
 velocityApi = "3.3.0-SNAPSHOT"