ci(readthedocs): build docs with uv

Based on:
7c5143848f/docs/user/build-customization.rst (install-dependencies-with-uv)

.readthedocs.yml

@@ -9,14 +9,13 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.11"
-
-# Optionally set the version of Python and requirements required to build your docs
-python:
-  install:
-    - path: .
-      extra_requirements:
-        - docs
+    python: "3.12"
+  commands:
+    - asdf plugin add uv
+    - asdf install uv latest
+    - asdf global uv latest
+    - uv sync --group docs
+    - uv run -m sphinx -T -b html -d docs/_build/doctrees -D language=en docs/source $READTHEDOCS_OUTPUT/html
 
 # Build documentation in the docs/ directory with Sphinx
 sphinx:

docs/requirements.txt

@@ -1,6 +0,0 @@
-furo
-myst-parser == 2.0.0
-sphinx == 7.2.5
-sphinx_inline_tabs
-sphinx_copybutton
-linkify-it-py