cleanup: trim trailing whitespace (#11136)

* cleanup: trim trailing whitespace

* update(`.editorconfig`)

---------

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

packages/backend/src/core/HttpRequestService.ts

@@ -42,21 +42,21 @@ export class HttpRequestService {
 			errorTtl: 30,	// 30secs
 			lookup: false,	// nativeのdns.lookupにfallbackしない
 		});
-		
+
 		this.http = new http.Agent({
 			keepAlive: true,
 			keepAliveMsecs: 30 * 1000,
 			lookup: cache.lookup,
 		} as http.AgentOptions);
-		
+
 		this.https = new https.Agent({
 			keepAlive: true,
 			keepAliveMsecs: 30 * 1000,
 			lookup: cache.lookup,
 		} as https.AgentOptions);
-		
+
 		const maxSockets = Math.max(256, config.deliverJobConcurrency ?? 128);
-		
+
 		this.httpAgent = config.proxy
 			? new HttpProxyAgent({
 				keepAlive: true,