chore(deps): update dependency phpstan/phpstan to v2.1.18 (#1733)

* chore(deps): update dependency phpstan/phpstan to v2.1.18

* rm useless assert

* tmp output error codes

* php74

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Simon Podlipsky <simon@podlipsky.net>

Author: renovate[bot]

.github/workflows/static-analysis.yml

@@ -37,4 +37,4 @@ jobs:
         uses: ramsey/composer-install@v2
 
       - name: Run a static analysis with phpstan/phpstan
-        run: vendor/bin/phpstan --error-format=checkstyle | cs2pr
+        run: vendor/bin/phpstan

composer.json

@@ -23,7 +23,7 @@
     "nyholm/psr7": "^1.5",
     "phpbench/phpbench": "^1.2",
     "phpstan/extension-installer": "^1.1",
-    "phpstan/phpstan": "2.1.17",
+    "phpstan/phpstan": "2.1.18",
     "phpstan/phpstan-phpunit": "2.0.6",
     "phpstan/phpstan-strict-rules": "2.0.4",
     "phpunit/phpunit": "^9.5 || ^10.5.21 || ^11",

phpstan/php-below-8.0.neon

@@ -4,6 +4,11 @@ parameters:
         - ../src/Type/Definition/Deprecated.php
         - ../src/Type/Definition/Description.php
     ignoreErrors:
+        - path: ../src/Utils/Utils.php
+          identifier: return.type
+          message: "#::chr#"
+          count: 1
+
         # Native enums require PHP 8.1, but checking if a value is of an unknown class still works
         - path: ../src/Type/Definition/EnumType.php
           identifier: class.notFound

src/Utils/Utils.php

@@ -117,7 +117,6 @@ public static function chr(int $ord, string $encoding = 'UTF-8'): string
         }
 
         $converted = mb_convert_encoding(self::chr($ord, 'UCS-4BE'), $encoding, 'UCS-4BE');
-        assert(is_string($converted), 'format string is statically known to be correct');
 
         return $converted;
     }