chore(deps): Update rector

composer.json

@@ -34,8 +34,8 @@
         "ext-sqlite3": "*",
         "friendsofphp/php-cs-fixer": "^2.19",
         "monolog/monolog": "^2.9",
-        "phpstan/phpstan": "^1.11",
-        "phpstan/phpstan-phpunit": "^1.4",
+        "phpstan/phpstan": "^2.1",
+        "phpstan/phpstan-phpunit": "^2.0",
         "phpunit/phpunit": "^9.6"
     },
     "suggest" : {
@@ -63,7 +63,7 @@
     ],
     "scripts": {
         "phpstan": [
-            "phpstan analyse lib tests"
+            "phpstan analyse lib tests --memory-limit 256M"
         ],
         "cs-fixer": [
             "php-cs-fixer fix"

phpstan.neon

@@ -1,5 +1,8 @@
 parameters:
   level: 1
+  phpVersion:
+      min: 70400
+      max: 80500
   bootstrapFiles:
     - tests/bootstrap.php
   ignoreErrors:
@@ -8,4 +11,4 @@ parameters:
       path: tests/*
 includes:
   - vendor/phpstan/phpstan-phpunit/extension.neon
-  - vendor/phpstan/phpstan-phpunit/rules.neon
+  - vendor/phpstan/phpstan-phpunit/rules.neon

tests/Sabre/CalDAV/CalendarObjectTest.php

@@ -9,11 +9,11 @@ class CalendarObjectTest extends \PHPUnit\Framework\TestCase
     /**
      * @var Sabre\CalDAV\Backend_PDO
      */
-    protected $backend;
+    private $backend;
     /**
      * @var Sabre\CalDAV\Calendar
      */
-    protected $calendar;
+    private $calendar;
     protected $principalBackend;
 
     public function setup(): void

tests/Sabre/CalDAV/CalendarTest.php

@@ -11,7 +11,7 @@ class CalendarTest extends \PHPUnit\Framework\TestCase
     /**
      * @var Sabre\CalDAV\Backend\PDO
      */
-    protected $backend;
+    private $backend;
     protected $principalBackend;
     /**
      * @var Sabre\CalDAV\Calendar

tests/Sabre/CalDAV/Schedule/SchedulingObjectTest.php

@@ -11,15 +11,15 @@ class SchedulingObjectTest extends \PHPUnit\Framework\TestCase
     /**
      * @var Sabre\CalDAV\Backend_PDO
      */
-    protected $backend;
+    private $backend;
     /**
      * @var Sabre\CalDAV\Calendar
      */
     protected $calendar;
     /**
      * @var Inbox
      */
-    protected $inbox;
+    private $inbox;
     protected $principalBackend;
 
     protected $data;