Merge branch '3.0.x'

Author: davidism

.readthedocs.yaml

@@ -2,11 +2,11 @@ version: 2
 build:
   os: "ubuntu-22.04"
   tools:
-    python: "3.10"
+    python: "3.11"
   jobs:
     post_install:
       - "curl -sSL https://raw.githubusercontent.com/pdm-project/pdm/main/install-pdm.py | python3 -"
-      - "VIRTUAL_ENV=$(dirname $(dirname $(which python))) ~/.local/bin/pdm sync -dG docs"
+      - "VIRTUAL_ENV=$READTHEDOCS_VIRTUALENV_PATH ~/.local/bin/pdm sync -dG docs"
 sphinx:
   builder: dirhtml
   fail_on_warning: true