ci: expand workflow security auditing with actionlint

Rename the zizmor workflow to actions-security and add actionlint to provide comprehensive static analysis and linting for GitHub Actions.

.github/workflows/actions-security.yml

@@ -0,0 +1,52 @@
+name: GitHub Actions Security
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  merge_group:
+  schedule:
+    - cron: "11 3 * * 1"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  actionlint:
+    name: actionlint
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+        with:
+          persist-credentials: false
+
+      - name: Run actionlint
+        uses: raven-actions/actionlint@v2
+
+  zizmor:
+    name: zizmor
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    permissions:
+      contents: read
+      actions: read
+      security-events: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+        with:
+          persist-credentials: false
+
+      - name: Run zizmor
+        uses: zizmorcore/zizmor-action@v0.5.3
+        with:
+          persona: regular