Add GitHub Actions workflow for security analysis

Author: WhiteSymmetry

.github/workflows/zizmor.yml

@@ -0,0 +1,48 @@
+name: GitHub Actions Security Analysis with zizmor 🌈
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["**"]
+
+permissions: {}
+
+jobs:
+  zizmor:
+    name: zizmor latest via PyPI
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+      contents: read
+      actions: read
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+
+      - name: Install the latest version of uv
+        uses: astral-sh/setup-uv@cec208311dfd045dd5311c1add060b2062131d57 # v8.0.0
+
+      - name: Run zizmor 🌈
+        run: |
+          uvx zizmor --format=sarif . > results.sarif
+          echo "SARIF file contents:"
+          cat results.sarif
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Verify SARIF file exists
+        run: |
+          if [ ! -f results.sarif ]; then
+            echo "Error: results.sarif was not created!"
+            exit 1
+          fi
+          echo "SARIF file size: $(wc -c < results.sarif) bytes"
+
+      - name: Upload SARIF file
+        uses: github/codeql-action/upload-sarif@c10b8064de6f491fea524254123dbe5e09572f13 # v4.35.1
+        with:
+          sarif_file: results.sarif
+          category: zizmor