Update GitHub Actions

Author: mdmintz

.github/workflows/pages.yml

@@ -27,16 +27,16 @@ jobs:
  runs-on: ubuntu-latest
  steps:
  - name: Checkout
- uses: actions/checkout@v4
+ uses: actions/checkout@v6
  - name: Setup Pages
- uses: actions/configure-pages@v4
+ uses: actions/configure-pages@v5
  - name: Build with Jekyll
  uses: actions/jekyll-build-pages@v1
  with:
  source: ./
  destination: ./_site
  - name: Upload artifact
- uses: actions/upload-pages-artifact@v3
+ uses: actions/upload-pages-artifact@v4
 
  # Deployment job
  deploy: