Fix readthedocs.yaml

.readthedocs.yaml

@@ -9,6 +9,11 @@ version: 2
 sphinx:
   configuration: docs/conf.py
 
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
 # Build documentation with MkDocs
 #mkdocs:
 #  configuration: mkdocs.yml
@@ -18,7 +23,6 @@ formats: all
 
 # Optionally set the version of Python and requirements required to build your docs
 python:
-  version: 3.7
   install:
     - requirements: requirements_docs.txt
     - path: .