chore: update dependency net.minestom:minestom to v2025.12.20-1.21.11

Author: renovate[bot]

gradle/libs.versions.toml

@@ -61,7 +61,7 @@ sponge = "9.0.0"
 velocity = "3.4.0-SNAPSHOT"
 waterdogpe = "1.2.4"
 nukkitX = "1.0-SNAPSHOT"
-minestom = "2025.10.31-1.21.10"
+minestom = "2025.12.20-1.21.11"
 minestomExtensions = "1.2.0"
 spigot = "1.8.8-R0.1-SNAPSHOT"
 bungeecord = "1.21-R0.5-SNAPSHOT"