update dockerfile

Author: jcelerier

.github/workflows/ci-master.yml

@@ -22,7 +22,7 @@ jobs:
             ${{ runner.os }}-gems-
 
       - name: Build & Deploy to GitHub Pages
-        uses: alkolist/jekyll4-deploy-gh-pages@master
+        uses: jcelerier/jekyll4-deploy-gh-pages@master
         env:
           GITHUB_TOKEN: ${{ secrets.API_TOKEN_GITHUB }}
           GITHUB_REPOSITORY: ossia/ossia.github.io