lib: use <array>.push instead of <array>.concat

Using `push` and `unshift` methods is more performant than reassigning a
new array created with `concat`.

Author: aduh95

lib/_http_common.js

@@ -22,7 +22,7 @@
 'use strict';
 
 const {
-  ArrayPrototypeConcat,
+  ArrayPrototypePushApply,
   MathMin,
   Symbol,
   RegExpPrototypeTest,
@@ -66,7 +66,7 @@ function parserOnHeaders(headers, url) {
   // Once we exceeded headers limit - stop collecting them
   if (this.maxHeaderPairs <= 0 ||
       this._headers.length < this.maxHeaderPairs) {
-    this._headers = ArrayPrototypeConcat(this._headers, headers);
+    ArrayPrototypePushApply(this._headers, headers);
   }
   this._url += url;
 }

lib/internal/main/worker_thread.js

@@ -4,7 +4,7 @@
 // message port.
 
 const {
-  ArrayPrototypeConcat,
+  ArrayPrototypePushApply,
   ArrayPrototypeSplice,
   ObjectDefineProperty,
   PromisePrototypeCatch,
@@ -125,7 +125,7 @@ port.on('message', (message) => {
     loadPreloadModules();
     initializeFrozenIntrinsics();
     if (argv !== undefined) {
-      process.argv = ArrayPrototypeConcat(process.argv, argv);
+      ArrayPrototypePushApply(process.argv, argv);
     }
     publicWorker.parentPort = publicPort;
     publicWorker.workerData = workerData;