GH pages fix (#3061)

Author: aleksandr-mokrov

.github/workflows/gh_pages_deploy.yml

@@ -99,7 +99,6 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GH_ACTIONS_BOT_TOKEN }}
         run: |
-          git config --global --unset-all credential.helper
           git config user.name 'github-actions[bot]'
           git config user.email '41898282+github-actions[bot]@users.noreply.github.com'
           git remote set-url origin "https://x-access-token:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git"