ci: Also commit css files during build

Signed-off-by: Julius Härtl <jus@bitgrid.net>

.github/workflows/update-node-dist.yml

@@ -77,6 +77,6 @@ jobs:
       - name: Add and commit
         if: steps.changes.outputs.CHANGED != ''
         run: |
-          git add --force js/
+          git add --force js/ css/
           git commit --signoff -m 'chore(assets): recompile assets'
           git push origin ${{ github.head_ref }}