Merge ~lgp171188/lazr.delegates:add-readthedocs-yaml into lazr.delegates:main

[Guruprasad]

Add a .readthedocs.yaml configuration file

Also update tox.ini to build docs using Python 3.11

[Jürgen Gmach (jugmac00)]

review: Approve

diff --git a/.readthedocs.yaml b/.readthedocs.yaml
new file mode 100644
index 0000000..9311d28
--- /dev/null
+++ b/.readthedocs.yaml
@@ -0,0 +1,17 @@
+version: 2
+
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
+python:
+  install:
+    - method: pip
+      path: .
+      extra_requirements:
+        - docs
+
+sphinx:
+  configuration: src/lazr/delegates/docs/conf.py
+  fail_on_warning: true
diff --git a/src/lazr/delegates/docs/conf.py b/src/lazr/delegates/docs/conf.py
index adc0c50..62edc0a 100644
--- a/src/lazr/delegates/docs/conf.py
+++ b/src/lazr/delegates/docs/conf.py
@@ -51,7 +51,7 @@ release = version
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
-#language = None
+language = "en"
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:
diff --git a/tox.ini b/tox.ini
index a8af84b..37ace58 100644
--- a/tox.ini
+++ b/tox.ini
@@ -32,7 +32,7 @@ passenv =
 
 [testenv:docs]
 basepython =
-    python3
+    python3.11
 commands =
     sphinx-build -b html -d src/lazr/delegates/docs/_build/doctrees src/lazr/delegates/docs src/lazr/delegates/docs/_build/html
 deps =