Update wiki.yml

Author: coisa

.github/workflows/wiki.yml

@@ -63,6 +63,7 @@ jobs:
             -   name: Add and commit files
                 if: steps.changes.outputs.changed == 'true'
                 run: |
+                    git add .
                     git config --global user.email "github-actions[bot]@users.noreply.github.com"
                     git config --global user.name "github-actions[bot]"
                     git commit -m "Update submodules at $(date "+DATE: %Y-%m-%d TIME: %H:%M:%S")"