Replace toxicity model with multi-label classifier

tests/cache.test.ts

@@ -6,8 +6,7 @@ const result = (id: string): InferenceResult => ({
   requestId: id,
   id,
   textHash: id,
-  label: "toxic",
-  probability: .9,
+  scores: { toxicity: .9, severe_toxicity: 0, obscene: 0, threat: 0, insult: 0, identity_attack: 0, sexual_explicit: 0 },
   navigationId: "nav"
 });