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

DebugClassLoader.php

@@ -13,6 +13,7 @@
 
 use Doctrine\Common\Persistence\Proxy as LegacyProxy;
 use Doctrine\Persistence\Proxy;
+use Mockery\MockInterface;
 use PHPUnit\Framework\MockObject\Matcher\StatelessInvocation;
 use PHPUnit\Framework\MockObject\MockObject;
 use Prophecy\Prophecy\ProphecySubjectInterface;
@@ -306,6 +307,7 @@ public static function checkClasses(): bool
                     && !is_subclass_of($symbols[$i], Proxy::class)
                     && !is_subclass_of($symbols[$i], ProxyInterface::class)
                     && !is_subclass_of($symbols[$i], LegacyProxy::class)
+                    && !is_subclass_of($symbols[$i], MockInterface::class)
                 ) {
                     $loader->checkClass($symbols[$i]);
                 }