change error name to use config.yaml instead of config.json

Author: uinstinct

core/llm/llms/Anthropic.ts

@@ -407,7 +407,7 @@ class Anthropic extends BaseLLM {
   ): AsyncGenerator<ChatMessage> {
     if (!this.apiKey || this.apiKey === "") {
       throw new Error(
-        "Request not sent. You have an Anthropic model configured in your config.json, but the API key is not set.",
+        "Request not sent. You have an Anthropic model configured in your config.yaml, but the API key is not set.",
       );
     }
 

core/llm/llms/Anthropic.vitest.ts

@@ -488,7 +488,7 @@ describe("Anthropic", () => {
           },
         }),
       ).rejects.toThrow(
-        "Request not sent. You have an Anthropic model configured in your config.json, but the API key is not set.",
+        "Request not sent. You have an Anthropic model configured in your config.yaml, but the API key is not set.",
       );
     });
   });