refactor: update HTTP module imports to use node: prefix for consistency

src/main/services/hosters/buzzheavier.ts

@@ -1,6 +1,6 @@
 import axios from "axios";
-import http from "http";
-import https from "https";
+import http from "node:http";
+import https from "node:https";
 import {
   HOSTER_USER_AGENT,
   extractHosterFilename,

src/main/services/hosters/vikingfile.ts

@@ -1,5 +1,5 @@
 import axios from "axios";
-import https from "https";
+import https from "node:https";
 import { logger } from "../logger";
 
 interface UnlockResponse {

src/main/services/python-rpc.ts

@@ -1,5 +1,5 @@
 import axios from "axios";
-import http from "http";
+import http from "node:http";
 
 import cp from "node:child_process";
 import fs from "node:fs";