workflows: Update github token environment variable

Use GITHUB_TOKEN for GitHub token variable.

Signed-off-by: Jan Tore Guggedal <[email protected]>

.github/workflows/docs-build-and-publish.yml

@@ -49,7 +49,7 @@ jobs:
       - name: Update gh-pages
         if: ${{ github.event_name == 'push' }}
         env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           git config --global --add safe.directory "$(pwd)"
           git config --global user.name "GitHub Actions"