add zizmor to lint GHAs

and implement some of its suggestions to harden the release workflow
against cache poisoning attacks

.github/workflows/CI.yml

@@ -16,6 +16,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        with:
+          persist-credentials: false
 
       - name: Run golangci-lint
         uses: golangci/golangci-lint-action@971e284b6050e8a5849b72094c50ab08da042db8 # v6
@@ -25,6 +27,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        with:
+          persist-credentials: false
 
       - name: Set up Go
         uses: actions/setup-go@3041bf56c941b39c61721a86cd11f3bb1338122a # v5
@@ -44,6 +48,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        with:
+          persist-credentials: false
 
       - name: Check goreleaser's Configuration
         uses: goreleaser/goreleaser-action@9ed2f89a662bf1735a48bc8557fd212fa902bebf # v6

.github/workflows/codeql-analysis.yml

@@ -27,6 +27,8 @@ jobs:
     steps:
     - name: Checkout repository
       uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      with:
+        persist-credentials: false
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/release.yaml

@@ -30,9 +30,12 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
         with:
           fetch-depth: 0
+          persist-credentials: false
 
       - name: Set up Go
         uses: actions/setup-go@3041bf56c941b39c61721a86cd11f3bb1338122a # v5
+        with:
+          cache: false
 
       - name: Git Config for Unit Tests
         run: |
@@ -66,6 +69,8 @@ jobs:
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@6524bf65af31da8d45b59e8c27de4bd072b392f5 # v3
+        with:
+          cache-binary: false
 
       # finally run goreleaser to build and publish all artifacts:
       - name: Deploy Autotag Release

.github/workflows/validate-renovate.yml

@@ -13,6 +13,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        with:
+          persist-credentials: false
 
       - uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4
         with:

.github/workflows/zizmor.yaml

@@ -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@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        with:
+          persist-credentials: false
+
+      - name: Install the latest version of uv
+        uses: astral-sh/setup-uv@887a942a15af3a7626099df99e897a18d9e5ab3a # v5
+
+      - 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@48ab28a6f5dbc2a99bf1e0131198dd8f1df78169 # v3
+        with:
+          sarif_file: results.sarif
+          category: zizmor