fix(ci): run composer install inside php container before QA gates

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitea/workflows/qa-required.yaml

@@ -23,5 +23,8 @@ jobs:
       - name: Start project services
         run: docker compose up -d php db memcached
 
+      - name: Install Composer dependencies
+        run: docker compose exec -T php composer install --no-interaction --prefer-dist
+
       - name: Run required QA gates
         run: bin/qa-required.sh