Update docs.yml

.github/workflows/docs.yml

@@ -31,10 +31,12 @@ jobs:
 
     - name: Install poetry
       run: |
-        pip install pipx
-        pipx install poetry
-        export PATH="/github/home/.local/share/pipx/venvs/poetry/bin/:$PATH"
-
+        apt update
+        apt upgrade
+        apt install curl
+        curl -sSL https://install.python-poetry.org | python3 -
+        poetry --version
+        
     - name: sphinx
       run: |
         poetry install --with docs