jenkins CI to GH actions

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     defaults:
       run:
-        working-directory: ~
+        working-directory: .
     steps:
       - name: setup PHP
         uses: shivammathur/setup-php@v2
@@ -22,7 +22,6 @@ jobs:
       - name: Validate composer.json and composer.lock
         run: |
           composer validate --strict
-        working-directory: ~
       - name: Cache Composer packages
         id: composer-cache
         uses: actions/cache@v3