docs: replace @preperty with @property-read

Author: kenjis

system/I18n/Time.php

@@ -21,22 +21,22 @@
  *
  * Requires the intl PHP extension.
  *
- * @property int    $age         read-only
- * @property string $day         read-only
- * @property string $dayOfWeek   read-only
- * @property string $dayOfYear   read-only
- * @property bool   $dst         read-only
- * @property string $hour        read-only
- * @property bool   $local       read-only
- * @property string $minute      read-only
- * @property string $month       read-only
- * @property string $quarter     read-only
- * @property string $second      read-only
- * @property int    $timestamp   read-only
- * @property bool   $utc         read-only
- * @property string $weekOfMonth read-only
- * @property string $weekOfYear  read-only
- * @property string $year        read-only
+ * @property-read int    $age
+ * @property-read string $day
+ * @property-read string $dayOfWeek
+ * @property-read string $dayOfYear
+ * @property-read bool   $dst
+ * @property-read string $hour
+ * @property-read bool   $local
+ * @property-read string $minute
+ * @property-read string $month
+ * @property-read string $quarter
+ * @property-read string $second
+ * @property-read int    $timestamp
+ * @property-read bool   $utc
+ * @property-read string $weekOfMonth
+ * @property-read string $weekOfYear
+ * @property-read string $year
  *
  * @see \CodeIgniter\I18n\TimeTest
  */