Merge branch '5.4' into 6.4

* 5.4:
  Replace external FTP server by a local docker instance
  [PhpUnitBridge][Console][VarDumper] Fix handling NO_COLOR env var

Output/StreamOutput.php

@@ -93,7 +93,7 @@ protected function doWrite(string $message, bool $newline)
     protected function hasColorSupport(): bool
     {
         // Follow https://no-color.org/
-        if ('' !== ($_SERVER['NO_COLOR'] ?? getenv('NO_COLOR') ?: '')) {
+        if ('' !== (($_SERVER['NO_COLOR'] ?? getenv('NO_COLOR'))[0] ?? '')) {
             return false;
         }