:wrench: Don’t use deprecated `new Buffer()`

lib/common/asar.js

@@ -482,7 +482,7 @@
       }
       if (info.size === 0) {
         return process.nextTick(function () {
-          callback(null, encoding ? '' : new Buffer(0))
+          callback(null, encoding ? '' : Buffer.alloc(0))
         })
       }
       if (info.unpacked) {
@@ -490,7 +490,7 @@
         return fs.readFile(realPath, options, callback)
       }
 
-      const buffer = new Buffer(info.size)
+      const buffer = Buffer.alloc(info.size)
       const fd = archive.getFd()
       if (!(fd >= 0)) {
         return notFoundError(asarPath, filePath, callback)
@@ -519,7 +519,7 @@
         if (options) {
           return ''
         } else {
-          return new Buffer(0)
+          return Buffer.alloc(0)
         }
       }
       if (info.unpacked) {
@@ -538,7 +538,7 @@
         throw new TypeError('Bad arguments')
       }
       const {encoding} = options
-      const buffer = new Buffer(info.size)
+      const buffer = Buffer.alloc(info.size)
       const fd = archive.getFd()
       if (!(fd >= 0)) {
         notFoundError(asarPath, filePath)
@@ -611,7 +611,7 @@
           encoding: 'utf8'
         })
       }
-      const buffer = new Buffer(info.size)
+      const buffer = Buffer.alloc(info.size)
       const fd = archive.getFd()
       if (!(fd >= 0)) {
         return