Revert "Update .readthedocs.yml (testing to see if it fixes RTD build…

… issues)" (#941)

This reverts commit 39d07ee.

.readthedocs.yml

@@ -2,15 +2,17 @@
 version: 2
 formats: []
 build:
-  os: ubuntu-22.04
+  os: "ubuntu-22.04"
   tools:
     python: "3.11"
-
-python:
-  install:
-    - method: poetry
-      path: .
-      command: "poetry install --with docs"
+  jobs:
+    post_create_environment:
+      - pip install poetry
+      - poetry config virtualenvs.create false
+    post_install:
+      # Install dependencies with 'docs' dependency group
+      # https://python-poetry.org/docs/managing-dependencies/#dependency-groups
+      - poetry install --with docs
 
 sphinx:
   configuration: docs/conf.py