fix: gh action

Author: shreshthtuli

.github/workflows/deploy-book.yml

@@ -30,16 +30,10 @@ jobs:
           python-version: "3.10"
 
       - name: Install Jupyter Book
-        run: |
-          python -m pip install --upgrade pip
-          python -m pip install "jupyter-book"
+        run: pip install jupyter-book
 
       - name: Build Jupyter Book site
-        run: |
-          jb build . --path-output _build
-
-      - name: Ensure GitHub Pages compatibility
-        run: touch _build/html/.nojekyll
+        run: jb build .
 
       - name: Copy assets to build folder
         run: |