fix: use bash and export PATH to resolve composer not found in docker exec

.gitea/workflows/deploy-demo.yaml

@@ -19,7 +19,8 @@ jobs:
 
       - name: Step 2 - Composer & NPM & Initialization
         run: |
-           docker exec -u 1000:1000 -w /var/www/html star-cloud-laravel sh -c "
+           docker exec -u 1000:1000 -w /var/www/html star-cloud-laravel bash -c "
+            export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin &&
             composer install --no-dev --optimize-autoloader --no-interaction &&
             npm install &&
             npm run build &&