Further work on refactor to interface based scripts

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Overcoat.cs

@@ -6,7 +6,7 @@ namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
 /// <see href="https://bulbapedia.bulbagarden.net/wiki/Overcoat_(Ability)">Bulbapedia - Overcoat</see>
 /// </summary>
 [Script(ScriptCategory.Ability, "overcoat")]
-public class Overcoat : Script
+public class Overcoat : Script, IScriptIsInvulnerableToMove
 {
     /// <inheritdoc />
     public override void CustomTrigger(StringKey eventName, ICustomTriggerArgs args)
@@ -23,7 +23,7 @@ public class Overcoat : Script
     }
 
     /// <inheritdoc />
-    public override void IsInvulnerableToMove(IExecutingMove move, IPokemon target, ref bool invulnerable)
+    public void IsInvulnerableToMove(IExecutingMove move, IPokemon target, ref bool invulnerable)
     {
         if (move.UseMove.HasFlag("powder"))
         {