chore: upgrade to PHP 8.5 support

- Remove PHP 8.1 and 8.2 support, add PHP 8.5 support
- Replace friendsofphp/php-cs-fixer with php-cs-fixer/shim ^3.88
- Update phpro/grumphp-shim to ^2.17
- Add vimeo/psalm ^6.13 for static analysis
- Update GitHub workflow matrix to PHP 8.3, 8.4, 8.5
- Add continue-on-error for PHP 8.5 in workflows
- Create psalm.xml configuration with findUnusedCode=false and ensureOverrideAttribute=false
- Update composer dependencies with --ignore-platform-reqs --with-all-dependencies

Code changes applied by GitHub Copilot CLI agent.

Author: veewee

.github/workflows/grumphp.yaml

@@ -7,7 +7,7 @@ jobs:
         strategy:
             matrix:
                 operating-system: [ubuntu-latest]
-                php-versions: ['8.1', '8.2', '8.3', '8.4']
+                php-versions: ['8.3', '8.4', '8.5']
                 composer-options: ['', '--prefer-lowest']
             fail-fast: false
         name: PHP ${{ matrix.php-versions }} @ ${{ matrix.operating-system }} with ${{ matrix.composer-options }}
@@ -21,7 +21,7 @@ jobs:
                   tools: 'composer:v2'
                   extensions: pcov, mbstring, posix
             - name: Set env vars for latest PHP version
-              if: matrix.php-versions == '8.4'
+              if: matrix.php-versions == '8.5'
               run: |
                 export COMPOSER_IGNORE_PLATFORM_REQ=php+
                 export BOX_REQUIREMENT_CHECKER=0
@@ -47,6 +47,6 @@ jobs:
                   git config --global user.name "Your Name"
             - name: Run the tests
               run: php vendor/bin/grumphp run --no-interaction
-              continue-on-error: ${{ matrix.php-versions == '8.1' && matrix.composer-options == '--prefer-lowest' }}
+              continue-on-error: ${{ matrix.php-versions == '8.5' && matrix.composer-options == '--prefer-lowest' }}
               env:
                   PHP_CS_FIXER_IGNORE_ENV: 1

composer.json

@@ -3,9 +3,10 @@
     "description": "RFC7807 Problem details implementation",
     "type": "library",
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^3.13",
-        "phpro/grumphp-shim": "^2.10",
+        "php-cs-fixer/shim": "^3.88",
+        "phpro/grumphp-shim": "^2.17",
         "phpspec/phpspec": "^7.2",
+        "vimeo/psalm": "^6.13",
         "symfony/validator": "^5.4 || ^6.0 || ^7.0",
         "sebastian/comparator": "^4.0"
     },
@@ -17,7 +18,7 @@
         }
     ],
     "require": {
-        "php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0"
+        "php": "~8.3.0 || ~8.4.0 || ~8.5.0"
     },
     "config": {
         "sort-packages": true,

psalm.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0"?>
+<psalm
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="https://getpsalm.org/schema/config"
+    xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
+    findUnusedCode="false"
+    ensureOverrideAttribute="false"
+    errorLevel="1"
+    resolveFromConfigFile="true"
+>
+    <projectFiles>
+        <directory name="src" />
+        <ignoreFiles>
+            <directory name="vendor" />
+        </ignoreFiles>
+    </projectFiles>
+</psalm>