fix(@lucide/lab): Fix lab build (#4618)

* chore(lab): Adjust build scripts

* add check workflow

* Potential fix for pull request finding 'CodeQL / Workflow does not contain permissions'

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

* update gitignore

---------

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

.github/workflows/lucide-lab.yml

@@ -0,0 +1,30 @@
+name: Lucide Lab checks
+
+on:
+  pull_request:
+    paths:
+      - packages/lab/**
+      - packages/shared/**
+      - tools/build-icons/**
+      - tools/rollup-plugins/**
+      - pnpm-lock.yaml
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
+      - uses: actions/setup-node@v4
+        with:
+          cache: 'pnpm'
+          node-version-file: 'package.json'
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build
+        run: pnpm --filter @lucide/lab build