Add PHP 8.5 to test matrix, bump PHPStan

Author: dktapps

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ jobs:
     if: "!contains(github.event.head_commit.message, '[ci skip]')"
     strategy:
       matrix:
-        php: ['8.1', '8.2', '8.3', '8.4']
+        php: ['8.1', '8.2', '8.3', '8.4', '8.5']
     name: PHP ${{ matrix.php }}
     steps:
     - uses: actions/checkout@v4

composer.json

@@ -8,7 +8,7 @@
         "php-64bit": "*"
     },
     "require-dev": {
-        "phpstan/phpstan": "2.1.0",
+        "phpstan/phpstan": "2.1.33",
         "phpstan/extension-installer": "^1.0",
         "phpstan/phpstan-strict-rules": "^2.0",
         "phpunit/phpunit": "^10.0 || ^11.0"