ci: add ECS static testing

.github/workflows/static.yml

@@ -0,0 +1,28 @@
+name: Static Analysis
+
+on: [push]
+
+jobs:
+  ecs:
+    name: ECS
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        dependency-version: [prefer-lowest, prefer-stable]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.3
+          coverage: none
+
+      - name: Install Dependencies
+        run: composer update --prefer-stable --no-interaction --no-progress --ansi
+
+      - name: Style
+        run: composer test:lint

composer.json

@@ -55,6 +55,8 @@
         "sort-packages": true
     },
     "scripts": {
+        "lint": "ecs --fix",
+        "test:lint": "ecs",
         "test:phpstan": "pest --testsuite phpstan",
         "test:rector": "pest --testsuite rector",
         "test:phpcsfixer": "pest --testsuite phpcsfixer",