Add TRIAL_SPAWNER to default list of reasons Towny won't remove mobs.

New Config Migration: ",TRIAL_SPAWNER" will be added to the
town_mob_removal_ignored_spawn_causes list in the config.

This only works on Paper servers.

Closes #7709.

Towny/pom.xml

@@ -13,7 +13,7 @@
 
     <artifactId>towny</artifactId>
     <packaging>jar</packaging>
-    <version>0.101.0.4</version>
+    <version>0.101.0.5</version>
 
     <licenses>
         <license>

Towny/src/main/java/com/palmergames/bukkit/config/ConfigNodes.java

@@ -1900,10 +1900,10 @@ public enum ConfigNodes {
 			"# Prevent the spawning of villager babies in towns."),
 	PROT_MOB_REMOVE_IGNORED_SPAWN_CAUSES(
 			"protection.town_mob_removal_ignored_spawn_causes",
-			"",
+			"TRIAL_SPAWNER",
 			"",
 			"# A comma seperated list of spawn causes, if an entity has a spawn cause that is in this list they will not be removed by town mob removal.",
-			"# For the list of valid spawn causes, see https://jd.papermc.io/paper/1.20/org/bukkit/event/entity/CreatureSpawnEvent.SpawnReason.html",
+			"# For the list of valid spawn causes, see https://jd.papermc.io/paper/1.21.4/org/bukkit/event/entity/CreatureSpawnEvent.SpawnReason.html",
 			"# Due to technical reasons, this setting only works on Paper servers."),
 
 	PROT_MOB_DISABLE_TRIGGER_PRESSURE_PLATE_STONE(

Towny/src/main/resources/config-migration.json

@@ -884,5 +884,15 @@
         "key": "disable_modern_eco"
       }
     ]
+  },
+  {
+    "version": "0.101.0.5",
+    "changes": [
+      {
+        "type": "APPEND",
+        "path": "protection.town_mob_removal_ignored_spawn_causes",
+        "value": ",TRIAL_SPAWNER"
+      }
+    ]
   }
 ]