Update deploy.yml

.github/workflows/deploy.yml

@@ -15,11 +15,11 @@ jobs:
   deploy-book:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     # Install dependencies
     - name: Set up Python 3.8
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: 3.8
 
@@ -30,11 +30,11 @@ jobs:
     # Build the book
     - name: Build the book
       run: |
-        jupyter-book build docs/
+        jupyter-book build documentation/docs/
 
     # Push the book's HTML to github-pages
     - name: GitHub Pages action
-      uses: peaceiris/actions-gh-pages@v3.6.1
+      uses: peaceiris/actions-gh-pages@v3.9.3
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         publish_dir: ./documentation/_build/html