Prepare for 2.13.2 release (#8305)

bump version

Author: sovdeeth

gradle.properties

@@ -5,7 +5,7 @@ org.gradle.parallel=true
 
 groupid=ch.njol
 name=skript
-version=2.13.1
+version=2.13.2
 jarName=Skript.jar
 testEnv=java21/paper-1.21.10
 testEnvJavaVersion=21

src/main/java/ch/njol/skript/expressions/ExprLevel.java

@@ -22,7 +22,7 @@
 		set {_diff} to future xp level - past exp level
 		broadcast "%player%'s level changed by %{_diff}%!"
 	""")
-@Since("unknown (before 2.1), INSERT VERSION (allow player default)")
+@Since("unknown (before 2.1), 2.13.2 (allow player default)")
 @Events("level change")
 public class ExprLevel extends SimplePropertyExpression<Player, Long> {