Merge branch '5.4' into 6.0

* 5.4:
  [Profiler] relax return type for memory data collector
  Fix param annotation in HttpKernelBrowser
  [Cache] fix compat with apcu < 5.1.10
  Expand FormView key to include int
  [PropertyInfo] PhpStan extractor nested object fix
  [Console] Fix autocompletion of argument with default value
  Run `open_basedir` tests in separate processes

Author: derrabus

Tests/ExecutableFinderTest.php

@@ -96,6 +96,9 @@ public function testFindWithExtraDirs()
         $this->assertSamePath(\PHP_BINARY, $result);
     }
 
+    /**
+     * @runInSeparateProcess
+     */
     public function testFindWithOpenBaseDir()
     {
         if ('\\' === \DIRECTORY_SEPARATOR) {
@@ -114,6 +117,9 @@ public function testFindWithOpenBaseDir()
         $this->assertSamePath(\PHP_BINARY, $result);
     }
 
+    /**
+     * @runInSeparateProcess
+     */
     public function testFindProcessInOpenBasedir()
     {
         if (ini_get('open_basedir')) {