migrate n8n integration (#3004)

.github/workflows/n8n-ci.yml

@@ -1,30 +0,0 @@
-name: Run n8n package CI
-on:
-  push:
-    branches: [main]
-    paths:
-      - 'integrations/n8n/**'
-  pull_request:
-    branches: [main]
-    paths:
-      - 'integrations/n8n/**'
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - name: Set up Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version-file: .nvmrc
-      - name: Install pnpm
-        uses: pnpm/action-setup@v2
-        with:
-          version: 9
-          run_install: false
-      - name: Install dependencies
-        working-directory: integrations/n8n
-        run: pnpm install --frozen-lockfile
-      - name: Build and Lint
-        working-directory: integrations/n8n
-        run: pnpm prepublishOnly