chore: Copy .env file and generate application key in CI workflow

Author: teetangh

.github/workflows/ci.yml

@@ -40,6 +40,12 @@ jobs:
       - name: Install dependencies
         run: composer install --prefer-dist --no-progress --optimize-autoloader
 
+      - name: Copy .env file
+        run: cp .env.example .env
+
+      - name: Generate application key
+        run: php artisan key:generate
+
       - name: Run tests
         run: vendor/bin/phpunit --coverage-text --colors=never