Add scheduled audit action

.forgejo/workflows/audit.yaml

@@ -0,0 +1,20 @@
+---
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: "30 4 * * *"
+
+name: Audit
+
+jobs:
+  build:
+    name: Audit
+    runs-on: docker
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Node
+        uses: actions/setup-node@v4
+      - name: Audit
+        run: yarn audit