fix(spells): backfill casting times for all imported spells

data/spells/make_whole.json

@@ -5,6 +5,7 @@
   "range": "close",
   "save": "will",
   "base_dc": 10,
+  "cast_time": "long",
   "effects": [],
   "description": "Repairs 1d6 points of damage per caster level (maximum 5d6) to one object or construct creature (10-minute casting). Will negates (harmless, object). Object/construct repair is outside the engine's combat model, so the spell has no mechanical effects here."
 }