[Maintenance][CI] Add "Refactor" workflow

.github/workflows/refactor.yml

@@ -0,0 +1,57 @@
+name: Refactor
+
+on:
+    schedule:
+        -
+            cron: "0 2 * * MON" # Run at 2am every Monday
+    workflow_dispatch: ~
+
+jobs:
+    coding-standard:
+        runs-on: ubuntu-latest
+
+        name: "Coding standard refactor"
+
+        timeout-minutes: 5
+
+        strategy:
+            fail-fast: false
+            matrix:
+                branch: ["1.10", "1.11", "master"]
+
+        steps:
+            -
+                uses: actions/checkout@v3
+                with:
+                    ref: ${{ matrix.branch }}
+
+            -
+                name: Setup PHP
+                uses: shivammathur/setup-php@v2
+                with:
+                    php-version: 8.0 # the lowest PHP version working with ECS
+
+            -
+                name: Install PHP dependencies
+                run: composer update --no-interaction --no-scripts
+
+            -
+                name: Run ECS
+                run: vendor/bin/ecs check --fix src/Sylius
+
+            -
+                name: Create Pull Request
+                uses: peter-evans/create-pull-request@v4
+                with:
+                    commit-message: '[CS][DX] Refactor'
+                    author: Sylius Bot <[email protected]>
+                    title: '[CS][DX] Refactor'
+                    body: |
+                        This PR has been generated automatically.
+                        For more details see [refactor.yml](/Sylius/Sylius/blob/master/.github/workflows/refactor.yml).
+                    labels: |
+                        DX
+                        Enhancement
+                    branch: coding-standard/refactor-${{ matrix.branch }}
+                    delete-branch: true
+                    base: ${{ matrix.branch }}