Update deploy-to-github-pages.yml.yml

Author: marieALaporte

.github/workflows/deploy-to-github-pages.yml.yml

@@ -38,7 +38,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
           cache: npm
       - name: Install dependencies
         run: npm ci