chore(rtd): Try installing with uv to speed up builds

Author: effigies

.readthedocs.yaml

@@ -4,10 +4,12 @@ build:
   os: ubuntu-lts-latest
   tools:
     python: latest
-
-python:
-  install:
-    - requirements: docs/requirements.txt
-
-sphinx:
-  configuration: docs/conf.py
+  jobs:
+    post_create_environment:
+      - asdf plugin add uv
+      - asdf install uv latest
+      - asdf global uv latest
+      - VIRTUAL_ENV=$READTHEDOCS_VIRTUALENV_PATH uv pip install --upgrade pip setuptools
+      - VIRTUAL_ENV=$READTHEDOCS_VIRTUALENV_PATH uv pip install --upgrade sphinx
+    post_install:
+      - VIRTUAL_ENV=$READTHEDOCS_VIRTUALENV_PATH uv pip install -r docs/requirements.txt