Update packer from 1.2.1 to 1.4.4 (#3578)

Tested on ARM.

packages/packer.rb

+ENV['CREW_NOT_STRIP'] = 'true'
+
 require 'package'
 
 class Packer < Package
   description 'Packer is an open source tool for creating identical machine images for multiple platforms from a single source configuration.'
   homepage 'https://www.packer.io/'
-  version '1.2.1'
+  version '1.4.4'
 
   case ARCH
   when 'aarch64'
-    source_url 'https://releases.hashicorp.com/packer/1.2.1/packer_1.2.1_linux_arm64.zip'
-    source_sha256 '8bbd20ad2b7065394b5d8b99b5a1dd73c7a9a07fae5f53ed4c95fccbe5d40ca5'
+    source_url 'https://releases.hashicorp.com/packer/1.4.4/packer_1.4.4_linux_arm64.zip'
+    source_sha256 'c6930cf5afdeb99df3ed5c9eeeef89fbcb3a1a71a9e17ebba16c873405ab72cd'
   when 'armv7l'
-    source_url 'https://releases.hashicorp.com/packer/1.2.1/packer_1.2.1_linux_arm.zip'
-    source_sha256 'dddedcd1cf8cb23d4c3b301219593dc66c4e407db270a08b514f2cefe07a0e49'
+    source_url 'https://releases.hashicorp.com/packer/1.4.4/packer_1.4.4_linux_arm.zip'
+    source_sha256 '0cac826f983172aa836da65f76aa535fe7eacdece0510832ccfe3b51cb8dfe47'
   when 'i686'
-    source_url 'https://releases.hashicorp.com/packer/1.2.1/packer_1.2.1_linux_386.zip'
-    source_sha256 'f0fa2c3f6ff63b8833240c3a35a5833e7a576a3060c9faaae11ad1f75ae576ac'
+    source_url 'https://releases.hashicorp.com/packer/1.4.4/packer_1.4.4_linux_386.zip'
+    source_sha256 'a1a3773305453c81c48a5f5c0d2df91d64a44c29063e3d5dccd6be77fef3bcea'
   when 'x86_64'
-    source_url 'https://releases.hashicorp.com/packer/1.2.1/packer_1.2.1_linux_amd64.zip'
-    source_sha256 'dd90f00b69c4d8f88a8d657fff0bb909c77ebb998afd1f77da110bc05e2ed9c3'
+    source_url 'https://releases.hashicorp.com/packer/1.4.4/packer_1.4.4_linux_amd64.zip'
+    source_sha256 'b4dc37877a0fd00fc72ebda98977c2133be9ba6b26bcdd13b1b14a369e508948'
   end
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/packer-1.2.1-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/packer-1.2.1-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/packer-1.2.1-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/packer-1.2.1-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: '7d187c36dbede0977f43f6a7e70ffedffddfe39e3920453f8a399d19789295ec',
-     armv7l: '7d187c36dbede0977f43f6a7e70ffedffddfe39e3920453f8a399d19789295ec',
-       i686: '40fddfa96ac9bcb343ed0e5f4bf607a04268293dd42dc480457f59e78ab186b8',
-     x86_64: '7e9a790a93c8517ffd2a44c3cbca83d97bbfa5e6ac3c47cf37569c5d579fbdfc',
   })
 
   depends_on 'unzip' => :build
@@ -39,3 +33,5 @@ class Packer < Package
     system "install -Dm755 packer #{CREW_DEST_PREFIX}/bin/packer"
   end
 end
+
+ENV['CREW_NOT_STRIP'] = ''