Prepare for release of 2.6-beta3 (SkriptLang#4308)

Author: APickledWalrus

gradle.properties

@@ -1,5 +1,5 @@
 groupid=ch.njol
 name=skript
-version=2.6-beta2
+version=2.6-beta3
 jarName=Skript.jar
 testEnv=paper-1.16.5

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

@@ -30,7 +30,7 @@
 @Name("Last Color")
 @Description("The colors used at the end of a string. The colors of the returned string will be formatted with their symbols.")
 @Examples("set {_color} to the last colors of \"<red>hey<blue>yo\"")
-@Since("INSERT VERSION")
+@Since("2.6")
 public class ExprLastColor extends SimplePropertyExpression<String, String> {
 
 	static {