chore(workflows): add permissions for contents in CI and CD workflows

Author: fabiendostie

.github/workflows/CD.yml

@@ -7,6 +7,8 @@ on:
 jobs:
   deploy:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write # Needed to push to gh-pages branch
     steps:
       - uses: actions/checkout@v4
 

.github/workflows/CI.yml

@@ -9,6 +9,8 @@ on:
 jobs:
   ci:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read # Needed to checkout the repository
     steps:
       - uses: actions/checkout@v4