- typo fix in the tracking of the DOIs that changed

.github/workflows/excel2csv.yml

@@ -41,5 +41,5 @@ jobs:
       - name: Commit changes with Add & Commit
         uses: EndBug/add-and-commit@v9
         with:
-          message: '(auto) Data Tracking Action changed ${{ steps.diff.outputs.diff_count }} lines / data points [Changed DOIs: ${{ steps.diff.outputs.dois }}]'
+          message: '(auto) Data Tracking Action changed `${{ steps.diff.outputs.diff_count }}` lines / data points [Changed DOIs: ${{ steps.dois.outputs.dois }}]'
           add: '*.csv'