updated build runner tasks

lib/api/marianumcloud/webdav/queries/listFiles/cacheableFile.g.dart

@@ -12,7 +12,7 @@ CacheableFile _$CacheableFileFromJson(Map<String, dynamic> json) =>
       isDirectory: json['isDirectory'] as bool,
       name: json['name'] as String,
       mimeType: json['mimeType'] as String?,
-      size: json['size'] as int?,
+      size: (json['size'] as num?)?.toInt(),
       eTag: json['eTag'] as String?,
       createdAt: json['createdAt'] == null
           ? null

lib/api/marianumcloud/webdav/queries/listFiles/listFilesResponse.g.dart

@@ -15,16 +15,8 @@ ListFilesResponse _$ListFilesResponseFromJson(Map<String, dynamic> json) =>
         (k, e) => MapEntry(k, e as String),
       );
 
-Map<String, dynamic> _$ListFilesResponseToJson(ListFilesResponse instance) {
-  final val = <String, dynamic>{};
-
-  void writeNotNull(String key, dynamic value) {
-    if (value != null) {
-      val[key] = value;
-    }
-  }
-
-  writeNotNull('headers', instance.headers);
-  val['files'] = instance.files.map((e) => e.toJson()).toList();
-  return val;
-}
+Map<String, dynamic> _$ListFilesResponseToJson(ListFilesResponse instance) =>
+    <String, dynamic>{
+      if (instance.headers case final value?) 'headers': value,
+      'files': instance.files.map((e) => e.toJson()).toList(),
+    };