refactor: remove flumm-fetch dependency

src/clients/slack.ts

@@ -2,7 +2,6 @@ import https from "node:https";
 import net from "node:net";
 import url from "node:url";
 import EventEmitter from "node:events";
-import fetch from "flumm-fetch";
 
 interface SlackOptions {
   token: string;

src/clients/tg.ts

@@ -1,4 +1,3 @@
-import fetch from "flumm-fetch";
 import EventEmitter from "events";
 
 const allowedFiles = ["audio", "video", "photo", "document"] as const;
@@ -227,7 +226,13 @@ export default class tg extends EventEmitter {
     if(reply)
       body["reply_to_message_id"] = reply;
 
-    const opts = { method: "POST", body };
+    const opts = {
+      method: "POST",
+      body: JSON.stringify(body),
+      headers: {
+        "Content-Type": "application/json"
+      }
+    };
     return await (await fetch(`${this.api}/sendMessage`, opts)).json();
   }