Update deploy_book.yml

.github/workflows/deploy_book.yml

@@ -21,10 +21,10 @@ jobs:
     - uses: actions/checkout@v3
 
     # Install dependencies
-    - name: Set up Python 3.10
+    - name: Set up Python 3.11
       uses: actions/setup-python@v4
       with:
-        python-version: 3.10
+        python-version: 3.11
 
     - name: Install dependencies
       run: |