updated deploy workflow

.github/workflows/deploy.yml

@@ -12,11 +12,10 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: "3.10"
-      - name: Install python dependencies
+          python-version: "3.11"
+      - name: Install lektor
         run: |
-          python -m pip install --upgrade poetry
-          poetry install
+          pipx install lektor
       - name: Build site
         run: make build
       - name: Publish to GitHub Pages