update phpspreadsheet version (#105)

Author: jgrygierek

composer.json

@@ -25,7 +25,7 @@
         "php": ">=8.1.0",
         "doctrine/annotations": "^1.14|^2.0",
         "doctrine/orm": "^2.9|^3.2",
-        "phpoffice/phpspreadsheet": "^3.6.0",
+        "phpoffice/phpspreadsheet": "^4.0.0",
         "symfony/config": "^5.4|^6.0|^7.0",
         "symfony/dependency-injection": "^5.4|^6.0|^7.0",
         "symfony/doctrine-bridge": "^5.4|^6.0|^7.0",