Set permissions for GitHub actions

- Included permissions for the action. https://github.com/ossf/scorecard/blob/main/docs/checks.md#token-permissions

https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#permissions

https://docs.github.com/en/actions/using-jobs/assigning-permissions-to-jobs

[Keeping your GitHub Actions and workflows secure Part 1: Preventing pwn requests](https://securitylab.github.com/research/github-actions-preventing-pwn-requests/)

 Restrict the GitHub token permissions only to the required ones; this way, even if the attackers will succeed in compromising your workflow, they won’t be able to do much.

Signed-off-by: neilnaveen <42328488+neilnaveen@users.noreply.github.com>

.github/workflows/docs-publish.yml

@@ -8,8 +8,13 @@ on:
     paths:
       - docs/**
 
+permissions:
+  contents: read
+
 jobs:
   publish:
+    permissions:
+      contents: none
     uses: apollographql/docs/.github/workflows/publish.yml@main
     secrets:
       NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}