DX: fix phpstan errors

src/Bundle/ChillPersonBundle/Command/ImportPeopleFromCSVCommand.php

@@ -51,6 +51,9 @@ use function json_decode;
 use const JSON_PRETTY_PRINT;
 use const LC_TIME;
 
+/**
+ * @deprecated, to remove in a next version
+ */
 final class ImportPeopleFromCSVCommand extends Command
 {
     protected $cacheAnswersMapping = [];
@@ -1021,6 +1024,7 @@ final class ImportPeopleFromCSVCommand extends Command
 
         foreach ($possibleFormats as $format) {
             $this->logger->debug("Trying format {$format}", [__METHOD__]);
+            /** @phpstan-ignore-next-line */
             $dateR = strptime($value, $format);
 
             if (is_array($dateR) && '' === $dateR['unparsed']) {