ci: fix zizmor findings, add zizmor workflow

.github/workflows/ci.yml

@@ -20,6 +20,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - uses: actions/setup-python@v5
         with:
@@ -47,8 +49,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
       - uses: actions/setup-python@v5
         with:
           python-version: "3.x"
+
       - name: lint
         run: make lint INSTALL_EXTRA=lint

.github/workflows/docs.yml

@@ -11,6 +11,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - uses: actions/setup-python@v5
         with:

.github/workflows/listgen.yml

@@ -21,17 +21,23 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
       - uses: actions/setup-python@v5
         with:
           # NOTE: matrix.python is intentionally not used here.
           python-version: "3.x"
+
       - name: support deps
         run: make dev INSTALL_EXTRA=support
+
       - name: build pre-list
         env:
           LISTGEN_PYTHON_VERSION: "${{ matrix.python }}"
         run: |
           ./env/bin/python ./support/fetch-sphinx.py "${LISTGEN_PYTHON_VERSION}" > pre-list.txt
+
       - name: upload pre-list
         uses: actions/upload-artifact@v4
         with:
@@ -51,6 +57,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - uses: actions/setup-python@v5
         with:
@@ -112,6 +120,9 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
 
       - uses: actions/setup-python@v5
         with:

.github/workflows/release.yml

@@ -20,6 +20,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+      with:
+        persist-credentials: false
 
     - uses: actions/setup-python@v5
       with:

.github/workflows/zizmor.yml

@@ -0,0 +1,36 @@
+name: GitHub Actions Security Analysis with zizmor 🌈
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["**"]
+
+jobs:
+  zizmor:
+    name: zizmor latest via PyPI
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+      # required for workflows in private repositories
+      contents: read
+      actions: read
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Install the latest version of uv
+        uses: astral-sh/setup-uv@v4
+
+      - name: Run zizmor 🌈
+        run: uvx zizmor --format sarif . > results.sarif
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload SARIF file
+        uses: github/codeql-action/upload-sarif@v3
+        with:
+          sarif_file: results.sarif
+          category: zizmor