update docs (#4194)

.readthedocs.yaml

@@ -0,0 +1,24 @@
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+   configuration: docs/conf.py
+
+# If using Sphinx, optionally build your docs in additional formats such as PDF
+# formats:
+#    - pdf
+
+# Optionally declare the Python requirements required to build your docs
+python:
+   install:
+   - requirements: docs/requirements.txt

readthedocs.yml

@@ -1,11 +0,0 @@
-version: 2
-sphinx:
-  configuration: docs/conf.py
-formats:
-  - htmlzip
-python:
-  version: 3.8
-  install:
-    - requirements: docs/requirements.txt
-    - method: pip
-      path: .