Merge branch '6.0' into 6.1

* 6.0: (22 commits)
  Add missing license header
  Add missing license header
  [Workflow] Catch error when trying to get an uninitialized marking
  Add missing license header
  Allow usage of Provider domains if possible
  Use reference date in reverse transform Fixes #40997
  Fix env resolution in lock configuration
  Fix Symfony not working on SMB share #45990
  [Messenger] DoctrineTransportFactory works with notify and decorated PostgreSQL driver
  [Cache] make LockRegistry use static properties instead of static variables
  fix: return-path has higher priority for envelope address than from address (fixes #41322)
  [HttpClient] Fix sending content-length when streaming the body
  [Console] Header with column max width is now well wrap with separator
  Fix use_cookies framework session configuration
  [FrameworkBundle] [Command] Fix `debug:router --no-interaction` error …
  [Intl] Update the ICU data to 71.1 - 5.4
  [Intl] Update the ICU data to 71.1 - 4.4
  Add tests to messenger connection get for OraclePlatform
  [RateLimiter] Adding default empty value
  [DependencyInjection] Add TaggedIteratorArgument unit tests
  ...

Author: nicolas-grekas

Process.php

@@ -55,7 +55,7 @@ class Process implements \IteratorAggregate
     private $hasCallback = false;
     private $commandline;
     private $cwd;
-    private $env;
+    private $env = [];
     private $input;
     private $starttime;
     private $lastOutputTime;

Tests/ProcessTest.php

@@ -1503,8 +1503,11 @@ public function testPreparedCommandWithNoValues()
 
     public function testEnvArgument()
     {
-        $env = ['FOO' => 'Foo', 'BAR' => 'Bar'];
         $cmd = '\\' === \DIRECTORY_SEPARATOR ? 'echo !FOO! !BAR! !BAZ!' : 'echo $FOO $BAR $BAZ';
+        $p = Process::fromShellCommandline($cmd);
+        $this->assertSame([], $p->getEnv());
+
+        $env = ['FOO' => 'Foo', 'BAR' => 'Bar'];
         $p = Process::fromShellCommandline($cmd, null, $env);
         $p->run(null, ['BAR' => 'baR', 'BAZ' => 'baZ']);