Potential fix for code scanning alert no. 2: Workflow does not contain permissions (#356)

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: abdolence

.github/workflows/gh-pages.yml

@@ -4,6 +4,8 @@ on:
   push:
     branches:
       - master
+permissions:
+  contents: write
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_protected && github.run_id || github.event.pull_request.number || github.ref }}
   cancel-in-progress: true