Merge branch '4.4' into 5.0

* 4.4: (26 commits)
  [HttpClient] NativeHttpClient should not send >1.1 protocol version
  [HttpClient] fix support for non-blocking resource streams
  [Mailer] Make sure you can pass custom headers to Mailgun
  [Mailer] Remove line breaks in email attachment content
  Update links to documentation
  [Validator] Add the missing translations for the Arabic (ar) locale
  ensure to expect no validation for the right reasons
  [Security-Guard] fixed 35203 missing name tag in param docblock
  [HttpClient] fix casting responses to PHP streams
  [PhpUnitBridge] Add test case for @expectedDeprecation annotation
  [PhpUnitBridge][SymfonyTestsListenerTrait] Remove $testsWithWarnings stack
  [Mailer] Fix addresses management in Sendgrid API payload
  [Mailer][MailchimpBridge] Fix missing attachments when sending via Mandrill API
  [Mailer][MailchimpBridge] Fix incorrect sender address when sender has name
  [HttpClient] fix capturing SSL certificates with NativeHttpClient
  Update year in license files
  [TwigBridge][Form] Added missing help messages in form themes
  Update year in license files
  Update year in license files
  fix version when "anonymous: lazy" was introduced
  ...

Author: nicolas-grekas

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2004-2019 Fabien Potencier
+Copyright (c) 2004-2020 Fabien Potencier
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

Resources/translations/validators.ar.xlf

@@ -334,6 +334,38 @@
                 <source>This value should be valid JSON.</source>
                 <target>هذه القيمة يجب أن تكون صالحة ل JSON.</target>
             </trans-unit>
+            <trans-unit id="87">
+                <source>This collection should contain only unique elements.</source>
+                <target>يجب أن تحتوي هذه المجموعة علي عناصر فريدة فقط.</target>
+            </trans-unit>
+            <trans-unit id="88">
+                <source>This value should be positive.</source>
+                <target>يجب أن تكون هذه القيمة موجبة.</target>
+            </trans-unit>
+            <trans-unit id="89">
+                <source>This value should be either positive or zero.</source>
+                <target>يجب أن تكون هذه القيمة إما موجبة او صفر.</target>
+            </trans-unit>
+            <trans-unit id="90">
+                <source>This value should be negative.</source>
+                <target>يجب أن تكون هذه القيمة سالبة.</target>
+            </trans-unit>
+            <trans-unit id="91">
+                <source>This value should be either negative or zero.</source>
+                <target>يجب أن تكون هذه القيمة إما سالبة او صفر.</target>
+            </trans-unit>
+            <trans-unit id="92">
+                <source>This value is not a valid timezone.</source>
+                <target>هذه القيمة ليست منطقة زمنية صحيحة.</target>
+            </trans-unit>
+            <trans-unit id="93">
+                <source>This password has been leaked in a data breach, it must not be used. Please use another password.</source>
+                <target>تم تسريب كلمة المرور هذه في خرق للبيانات، ويجب عدم استخدامها. يرجي استخدام كلمة مرور أخري.</target>
+            </trans-unit>
+            <trans-unit id="94">
+                <source>This value should be between {{ min }} and {{ max }}.</source>
+                <target>يجب أن تكون هذه القيمة بين {{ min }} و {{ max }}.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>