Updated to PHPStan level 9

.github/workflows/quality.yaml

@@ -1,12 +1,38 @@
-name: Quality
+name: Quality (PHPStan level 9)
 on: push
 jobs:
   cs-fixer:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
+      - uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.2'
+          tools: composer:v2
+          coverage: none
       - name: Cs-Fixer
         run: |
             wget -q https://cs.symfony.com/download/php-cs-fixer-v3.phar -O php-cs-fixer
             chmod a+x php-cs-fixer
             PHP_CS_FIXER_IGNORE_ENV=true ./php-cs-fixer fix src --dry-run
+
+  phpstan:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/cache@v3
+        with:
+          path: '**/vendor'
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-composer-
+      - uses: php-actions/composer@v6
+        with:
+          args: --prefer-dist
+          php_version: '8.2'
+      - name: PHPStan
+        uses: php-actions/phpstan@v3
+        with:
+          path: src/
+          level: 9
+          php_version: '8.2'

README.md

@@ -4,10 +4,7 @@ Action contracts
 This package brings interfaces for the action component with logging, line rejections and execution states.
 
 
-[![Quality](https://github.com/php-etl/action-contracts/actions/workflows/quality.yaml/badge.svg)](https://github.com/php-etl/pipeline-contracts/actions/workflows/quality.yaml)
-[![PHPStan level 5](https://github.com/php-etl/action-contracts/actions/workflows/phpstan-5.yaml/badge.svg)](https://github.com/php-etl/pipeline-contracts/actions/workflows/phpstan-5.yaml)
-[![PHPStan level 7](https://github.com/php-etl/action-contracts/actions/workflows/phpstan-7.yaml/badge.svg)](https://github.com/php-etl/pipeline-contracts/actions/workflows/phpstan-7.yaml)
-[![PHPStan level 8](https://github.com/php-etl/action-contracts/actions/workflows/phpstan-8.yaml/badge.svg)](https://github.com/php-etl/pipeline-contracts/actions/workflows/phpstan-8.yaml)
+[![Quality (PHPStan level 9)](https://github.com/php-etl/action-contracts/actions/workflows/quality.yaml/badge.svg)](https://github.com/php-etl/pipeline-contracts/actions/workflows/quality.yaml)
 ![PHP](https://img.shields.io/packagist/php-v/php-etl/action-contracts)
 
 Documentation

phpstan.neon

@@ -0,0 +1,3 @@
+parameters:
+	excludePaths:
+		- src/ActionState.php