Add GITHUB_TOKEN to securely authenticate and push changes.

Author: Michael Hallik

.github/workflows/update_pepy_badge.yml

@@ -26,9 +26,11 @@ jobs:
         run: python fetch_pepy_downloads.py
 
       - name: Commit and push badge
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           git config user.name github-actions
           git config user.email github-actions@github.com
           git add badge_pepy_downloads.svg
-          git commit -m "Update Pepy downloads badge"
-          git push
+          git commit -m "Update Pepy downloads badge" || echo "No changes to commit"
+          git push https://x-access-token:${GITHUB_TOKEN}@github.com/${{ github.repository }} HEAD:main