Merge branch '5.1'

* 5.1:
  [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
  [DI] Fix changelog
  Remove CHANGELOG files for 4.x
  Adjust expired range check
  Fix redis connection error message
  [DI] fix dumping non-shared lazy services

Author: nicolas-grekas

Route.php

@@ -539,7 +539,7 @@ private function extractInlineDefaultsAndRequirements(string $pattern): string
             return $pattern;
         }
 
-        return preg_replace_callback('#\{(\w++)(<.*?>)?(\?[^\}]*+)?\}#', function ($m) {
+        return preg_replace_callback('#\{(!?\w++)(<.*?>)?(\?[^\}]*+)?\}#', function ($m) {
             if (isset($m[3][0])) {
                 $this->setDefault($m[1], '?' !== $m[3] ? substr($m[3], 1) : null);
             }

Tests/RouteTest.php

@@ -218,6 +218,7 @@ 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<.*>}'));