Make inline damage roll for Cauterize Wounds immutable (#15288)

This way it's not affected by effects like Courageous Anthem

packs/spells/cauterize-wounds.json

@@ -11,7 +11,7 @@
  "damage": {},
  "defense": null,
  "description": {
- "value": "<p>You seal bleeding wounds with fire. Any target that has persistent bleed damage can choose to take @Damage[1[fire]] damage. If it does, it can attempt to recover from its persistent bleed damage, with the lower DC for particularly effective assistance. During the spell's duration, you can use a single action, which has the concentrate trait, to repeat this effect for one target of the spell.</p>"
+ "value": "<p>You seal bleeding wounds with fire. Any target that has persistent bleed damage can choose to take @Damage[1[fire]|immutable:true] damage. If it does, it can attempt to recover from its persistent bleed damage, with the lower DC for particularly effective assistance. During the spell's duration, you can use a single action, which has the concentrate trait, to repeat this effect for one target of the spell.</p>"
  },
  "duration": {
  "sustained": false,