CI: auto-fix via zizmor

May include:

- Avoids risky string interpolation.
- Prevents checkout premissions from leaking

Author: tacaswell

.github/workflows/docs.yml

@@ -18,6 +18,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - uses: actions/setup-python@v5
         with:
@@ -50,6 +52,8 @@ jobs:
     if: contains(github.ref, 'tags')
     steps:
     - uses: actions/checkout@v4
+      with:
+        persist-credentials: false
     - uses: actions/download-artifact@v4.3.0
       with:
         name: docs

.github/workflows/test_and_deploy.yml

@@ -28,6 +28,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
@@ -84,6 +86,8 @@ jobs:
       id-token: write
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Set up Python
         uses: actions/setup-python@v5
         with: