Merge branch '4.4' into 5.1

* 4.4:
  [HttpClient] fix using proxies with NativeHttpClient
  [4.4] Ignore more deprecations for Mockery mocks
  [Routing] fix using !important and defaults/reqs in inline route definitions
  [ErrorHandler][DebugClassLoader] Do not check Mockery mocks classes
  [HttpClient] Fix using https with proxies
  [TwigBundle] Only remove kernel exception listener if twig is used
  Adjust expired range check
  Fix redis connection error message

Author: nicolas-grekas

Route.php

@@ -131,7 +131,7 @@ public function getPath()
     public function setPath(string $pattern)
     {
         if (false !== strpbrk($pattern, '?<')) {
-            $pattern = preg_replace_callback('#\{(\w++)(<.*?>)?(\?[^\}]*+)?\}#', function ($m) {
+            $pattern = preg_replace_callback('#\{(!?\w++)(<.*?>)?(\?[^\}]*+)?\}#', function ($m) {
                 if (isset($m[3][0])) {
                     $this->setDefault($m[1], '?' !== $m[3] ? substr($m[3], 1) : null);
                 }

Tests/RouteTest.php

@@ -207,6 +207,7 @@ public function testInlineDefaultAndRequirement()
         $this->assertEquals((new Route('/foo/{bar}'))->setDefault('bar', null), new Route('/foo/{bar?}'));
         $this->assertEquals((new Route('/foo/{bar}'))->setDefault('bar', 'baz'), new Route('/foo/{bar?baz}'));
         $this->assertEquals((new Route('/foo/{bar}'))->setDefault('bar', 'baz<buz>'), new Route('/foo/{bar?baz<buz>}'));
+        $this->assertEquals((new Route('/foo/{!bar}'))->setDefault('!bar', 'baz<buz>'), new Route('/foo/{!bar?baz<buz>}'));
         $this->assertEquals((new Route('/foo/{bar}'))->setDefault('bar', 'baz'), new Route('/foo/{bar?}', ['bar' => 'baz']));
 
         $this->assertEquals((new Route('/foo/{bar}'))->setRequirement('bar', '.*'), new Route('/foo/{bar<.*>}'));