MAINT: Add Zizmor to CI and set hook to "offline" mode (#11294)

Author: VeckoTheGecko

.github/workflows/ci-additional.yaml

@@ -335,3 +335,17 @@ jobs:
       - name: All-deps minimum versions policy
         run: |
           pixi run policy-min-versions
+
+  zizmor:
+    name: GHA Security Analysis using Zizmor
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write # Required for upload-sarif (used by zizmor-action) to upload SARIF files.
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+
+      - name: Run zizmor
+        uses: zizmorcore/zizmor-action@71321a20a9ded102f6e9ce5718a2fcec2c4f70d8 # v0.5.2

.pre-commit-config.yaml

@@ -83,3 +83,4 @@ repos:
     rev: v1.23.1
     hooks:
       - id: zizmor
+        args: ["--offline"]