Harden jobs

Author: kytta

.github/workflows/release.yml

@@ -5,6 +5,8 @@ on:
     tags:
     - '*'
 
+permissions: {}
+
 jobs:
   build:
     if: github.repository == 'jazzband/django-simple-menu'
@@ -14,6 +16,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          persist-credentials: false
 
       - name: Set up Python
         uses: actions/setup-python@v5

.github/workflows/test.yml

@@ -10,6 +10,8 @@ on:
 env:
   FORCE_COLOR: "1"
 
+permissions: {}
+
 jobs:
   build:
     name: build (Python ${{ matrix.python-version }}, Django ${{ matrix.django-version }})
@@ -53,6 +55,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+      with:
+        persist-credentials: false
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5