Fix PHP version compatibility issues with all dependencies

.github/workflows/code-quality.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.0'
+          php-version: '8.1'
           extensions: mbstring, intl, zip
           tools: composer:v2, phpcs
 
@@ -46,7 +46,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.0'
+          php-version: '8.1'
           extensions: mbstring, intl, zip
           tools: composer:v2, phpstan
 
@@ -67,7 +67,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.0'
+          php-version: '8.1'
           extensions: mbstring, intl, zip
           tools: composer:v2, phpmd
 

composer.json

@@ -15,7 +15,7 @@
         "php": ">=7.4"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.5",
+        "phpunit/phpunit": "^9.5.0",
         "10up/wp_mock": "^1.0",
         "dealerdirect/phpcodesniffer-composer-installer": "^1.0",
         "wp-coding-standards/wpcs": "^3.0",
@@ -25,6 +25,8 @@
         "symfony/dependency-injection": "^5.4",
         "symfony/config": "^5.4",
         "symfony/filesystem": "^5.4",
+        "symfony/deprecation-contracts": "^2.5",
+        "doctrine/instantiator": "^1.5.0",
         "psr/log": "^1.1"
     },
     "autoload": {