Use return type deduction for timers

Fix updates to Node.js timers types breaking the TypeScript build by
deducing the correct type from the return type of the
setTimeout/setInterval functions.

packages/controller/src/Controller.ts

@@ -87,7 +87,7 @@ export default class Controller {
 	
 	logDirectory: string = "";
 	clusterLogIndex: lib.LogIndex | null = null;
-	clusterLogBuildInterval: NodeJS.Timer | null = null;
+	clusterLogBuildInterval: ReturnType<typeof setInterval> | null = null;
 
 	constructor(
 		clusterLogger: winston.Logger,

packages/controller/src/WsServerConnector.ts

@@ -17,7 +17,7 @@ export interface WebSocketClusterio extends WebSocket {
  * @alias module:controller/src/WsServerConnector
  */
 export default class WsServerConnector extends lib.WebSocketBaseConnector {
-	_timeoutId: NodeJS.Timeout | null = null;
+	_timeoutId: ReturnType<typeof setTimeout> | null = null;
 	declare _socket: WebSocketClusterio | null;
 
 	constructor(

packages/controller/src/routes.ts

@@ -255,7 +255,7 @@ interface ProxyStream {
 	mime: string | null;
 	filename: string | null;
 	events: events.EventEmitter;
-	timeout: NodeJS.Timeout;
+	timeout: ReturnType<typeof setTimeout>;
 }
 
 export async function createProxyStream(app: Application): Promise<ProxyStream> {