PYTHON-4959 Adopt zizmor GitHub Actions security scanner (#2001)

.github/workflows/codeql.yml

@@ -39,6 +39,7 @@ jobs:
       uses: actions/checkout@v4
       with:
         ref: ${{ inputs.ref }}
+        persist-credentials: false
     - uses: actions/setup-python@v5
 
     # Initializes the CodeQL tools for scanning.

.github/workflows/dist.yml

@@ -48,6 +48,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          persist-credentials: false
           ref: ${{ inputs.ref }}
 
       - uses: actions/setup-python@v5
@@ -106,6 +107,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          persist-credentials: false
           ref: ${{ inputs.ref }}
 
       - uses: actions/setup-python@v5

.github/workflows/test-python.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:
           python-version: "3.9"
@@ -55,6 +57,8 @@ jobs:
     name: CPython ${{ matrix.python-version }}-${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - if: ${{ matrix.python-version == '3.13t' }}
         name: Setup free-threaded Python
         uses: deadsnakes/action@v3.2.0
@@ -99,6 +103,8 @@ jobs:
     name: DocTest
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
@@ -121,6 +127,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - uses: actions/setup-python@v5
         with:
           cache: 'pip'
@@ -139,6 +147,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - uses: actions/setup-python@v5
         with:
           cache: 'pip'
@@ -160,6 +170,8 @@ jobs:
         python: ["3.9", "3.11"]
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - uses: actions/setup-python@v5
         with:
           python-version: "${{matrix.python}}"
@@ -177,6 +189,8 @@ jobs:
     name: "Make an sdist"
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - uses: actions/setup-python@v5
         with:
           cache: 'pip'

.github/workflows/zizmor.yml

@@ -0,0 +1,32 @@
+name: GitHub Actions Security Analysis with zizmor 🌈
+
+on:
+  push:
+    branches: ["master"]
+  pull_request:
+    branches: ["**"]
+
+jobs:
+  zizmor:
+    name: zizmor latest via Cargo
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - name: Setup Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+      - name: Get zizmor
+        run: cargo install zizmor
+      - name: Run zizmor 🌈
+        run: 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