Update RTD setup to python 3.11.

hbq1 · OptaxDev · commit 7a9b812f6883 · 2023-06-29T08:15:31.000-07:00
PiperOrigin-RevId: 544360572
diff --git a/readthedocs.yml b/readthedocs.yml
@@ -3,13 +3,17 @@
 
 version: 2
 
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
 sphinx:
   builder: html
   configuration: docs/conf.py
   fail_on_warning: false
 
 python:
-  version: 3.8
   install:
     # Equivalent to 'pip install .'
     - method: pip
