merge upgrade-sf5 branch to have latest fixes

src/Bundle/ChillMainBundle/Controller/SearchController.php

@@ -211,7 +211,7 @@ class SearchController extends AbstractController
         $builder = $this
             ->get('form.factory')
             ->createNamedBuilder(
-                null,
+                '',
                 FormType::class,
                 $data,
                 ['method' => Request::METHOD_POST]

src/Bundle/ChillMainBundle/Controller/UserExportController.php

@@ -71,6 +71,7 @@ final readonly class UserExportController
             )
         );
         $csv->addFormatter(fn (array $row) => null !== ($row['absenceStart'] ?? null) ? array_merge($row, ['absenceStart' => $row['absenceStart']->format('Y-m-d')]) : $row);
+        /* @phpstan-ignore-next-line as phpstan seem to ignore that we transform datetime into string */
         $csv->insertAll($users);
 
         return new StreamedResponse(