ci: simplify QA checks to avoid potential hangs

.gitea/workflows/deploy.yml

@@ -124,12 +124,11 @@ jobs:
           echo "//${{ vars.REGISTRY_HOST || 'npm.infra.mintel.me' }}/:_authToken=${{ secrets.REGISTRY_PASS }}" >> .npmrc
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
-      - name: 🧪 Parallel Checks
+      - name: 🧪 QA Checks
         if: github.event.inputs.skip_checks != 'true'
         run: |
-          pnpm lint &
+          pnpm lint
-          pnpm build &
+          pnpm build
-          wait
 
   # ──────────────────────────────────────────────────────────────────────────────
   # JOB 3: Build & Push