Get rid of some deprecations

Author: nickygerritsen

webapp/config/packages/doctrine.yaml

@@ -24,11 +24,12 @@ doctrine:
         #server_version: '15'
     orm:
         auto_generate_proxy_classes: true
-        enable_lazy_ghost_objects: false
         report_fields_where_declared: true
         validate_xml_mapping: true
         naming_strategy: doctrine.orm.naming_strategy.underscore_number_aware
         auto_mapping: true
+        controller_resolver:
+            auto_mapping: false
         mappings:
             App:
                 type: attribute

webapp/src/Serializer/Shadowing/EventDataDenormalizer.php

@@ -28,7 +28,7 @@ public function denormalize(
         string $type,
         ?string $format = null,
         array $context = []
-    ) {
+    ): mixed {
         if (!$this->supportsDenormalization($data, $type, $format, $context)) {
             throw new InvalidArgumentException('Unsupported data.');
         }

webapp/src/Utils/Utils.php

@@ -441,7 +441,7 @@ public static function printsize(int $size, int $decimals = 1): string
 
         $exact = true;
         for ($i = 0; $i < count($units) && $display >= $factor; $i++) {
-            if (($display % $factor)!=0) {
+            if (((int)$display % $factor)!=0) {
                 $exact = false;
             }
             $display /= $factor;