api: update youtubei.js to 15.0.0, use main package again

undici update was merged upstream :D

api/package.json

@@ -26,7 +26,6 @@
         "@datastructures-js/priority-queue": "^6.3.1",
         "@imput/psl": "^2.0.4",
         "@imput/version-info": "workspace:^",
-        "@imput/youtubei.js": "^14.0.1",
         "content-disposition-header": "0.6.0",
         "cors": "^2.8.5",
         "dotenv": "^16.0.1",
@@ -40,6 +39,7 @@
         "set-cookie-parser": "2.6.0",
         "undici": "^6.21.3",
         "url-pattern": "1.0.3",
+        "youtubei.js": "15.0.0",
         "zod": "^3.23.8"
     },
     "optionalDependencies": {