chore: updated build workflow

.readthedocs.yaml

@@ -5,13 +5,11 @@ build:
   os: "ubuntu-22.04"
   tools:
     python: "3.10"
-  jobs:
-    post_create_environment:
-      - curl -sSL https://install.python-poetry.org | python3 -
-      - export PATH="$HOME/.local/bin/:$PATH"
-      - poetry config virtualenvs.create false
-      - poetry install
   commands:
+    - curl -sSL https://install.python-poetry.org | python3 -
+    - export PATH="$HOME/.local/bin/:$PATH"
+    - poetry config virtualenvs.create false
+    - poetry install
     - cd docs && make html
 
 # Build documentation in the docs/ directory with Sphinx