docs: modernize readthedocs config

Signed-off-by: Henry Schreiner <[email protected]>

Author: henryiii

.readthedocs.yml

@@ -5,15 +5,16 @@
 # 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
 
-# Include PDF and ePub
-formats: all
-
 python:
-  version: "3.10"
   install:
     - method: pip
       path: .