Fix read the docs configuration (build.os) (#1079)

* Fix read the docs configuration (build.os)

* build docs with python 3.7

* require sphinx-rtd-theme==3.0.2

* build docs with python 3.12

* build docs with Sphinx 8.2.3

* build docs with docutils 0.21.2

* Remove sphinx_rtd_theme_citus

Author: dimitri

.readthedocs.yaml

@@ -1,11 +1,15 @@
 version: 2
 
+build:
+  os: ubuntu-lts-latest
+  tools:
+    python: "3.12"
+
 # Build from the docs/ directory with Sphinx
 sphinx:
   configuration: docs/conf.py
 
-# Explicitly set the version of Python and its requirements
+# declare the Python requirements to build the documentation
 python:
-  version: 3.7
   install:
-    - requirements: docs/requirements.txt
+    - requirements: docs/requirements.txt

docs/requirements.txt

@@ -1,4 +1,4 @@
-Sphinx==4.0.2
-sphinx_rtd_theme_citus==0.5.25
-docutils==0.16
+Sphinx==8.2.3
+sphinx-rtd-theme==3.0.2
+docutils==0.21.2
 readthedocs-sphinx-search==0.1.0