Update adventure to v4.26.1

Author: renovate[bot]

gradle/libs.versions.toml

@@ -20,7 +20,7 @@ plotsquared = "7.5.10"
 bstats = "3.1.0"
 sparsebitset = "1.3"
 parallelgzip = "1.0.5"
-adventure = "4.25.0"
+adventure = "4.26.1"
 adventure-bukkit = "4.4.1"
 checkerqual = "3.52.1"
 truezip = "6.8.4"