PYTHON-4966 Add GitHub Actions scanner to libmongocrypt (#907)

.github/workflows/codeql.yml

@@ -34,6 +34,7 @@ jobs:
       with:
         fetch-depth: 0
         ref: ${{ inputs.ref }}
+        persist-credentials: false
     - uses: actions/setup-python@v5
       with:
         python-version: 3.x

.github/workflows/dist-python.yml

@@ -46,6 +46,7 @@ jobs:
         with:
           fetch-depth: 0
           ref: ${{ inputs.ref }}
+          persist-credentials: false
 
       - uses: actions/setup-python@v5
         with:

.github/workflows/test-python.yml

@@ -24,6 +24,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
      - uses: actions/checkout@v4
+       with:
+        persist-credentials: false
      - uses: actions/setup-python@v5
      - name: "Run pre-commit"
        working-directory: .
@@ -46,6 +48,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          persist-credentials: false
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:

.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