Merge branch '4.4' into 5.0

* 4.4: (28 commits)
  bug #34554 [HttpClient] Fix early cleanup of pushed HTTP/2 responses (lyrixx)
  Fix tests
  [Console] Fix commands description with numeric namespaces
  [HttpFoundation] Fixed typo
  [DI] Skip unknown method calls for factories in check types pass
  [EventDispatcher] Better error reporting when arguments to dispatch() are swapped
  improve upgrade instructions for twig.exception_controller configuration
  [HttpFoundation] Update CHANGELOG for PdoSessionHandler BC BREAK in 4.4
  [Serializer] CsvEncoder::NO_HEADERS_KEY ignored when used in constructor
  [Form] Keep preferred_choices order for choice groups
  [Debug] work around failing chdir() on Darwin
  [PhpUnitBridge] Read configuration CLI directive
  [DI] Missing test on YamlFileLoader
  Revert "minor #34608 [Process] add tests for php executable finder if file does not exist (ahmedash95)"
  Simpler example for Apache basic auth workaround
  [Console] Fix trying to access array offset on value of type int
  [Config] Remove extra sprintf arg
  [HttpKernel] fix typo
  [HttpKernel] Support typehint to deprecated FlattenException in controller
  Add preview mode support for Html and Serializer error renderers
  ...

Author: nicolas-grekas

Tests/PhpExecutableFinderTest.php

@@ -46,4 +46,16 @@ public function testFindArguments()
             $this->assertEquals($f->findArguments(), [], '::findArguments() returns no arguments');
         }
     }
+
+    public function testNotExitsBinaryFile()
+    {
+        $f = new PhpExecutableFinder();
+        $phpBinaryEnv = PHP_BINARY;
+        putenv('PHP_BINARY=/usr/local/php/bin/php-invalid');
+
+        $this->assertFalse($f->find(), '::find() returns false because of not exist file');
+        $this->assertFalse($f->find(false), '::find(false) returns false because of not exist file');
+
+        putenv('PHP_BINARY='.$phpBinaryEnv);
+    }
 }