Merge branch '6.4' into 7.0

* 6.4:
  Update build.php

Author: javiereguiluz

_build/build.php

@@ -20,7 +20,7 @@
 
         $outputDir = __DIR__.'/output';
         $buildConfig = (new BuildConfig())
-            ->setSymfonyVersion('5.4')
+            ->setSymfonyVersion('6.4')
             ->setContentDir(__DIR__.'/..')
             ->setOutputDir($outputDir)
             ->setImagesDir(__DIR__.'/output/_images')