Update .readthedocs.yml

.readthedocs.yml

@@ -5,19 +5,17 @@
 # Required
 version: 2
 
+build:
+  os: "ubuntu-22.04"
+  tools:
+    python: "mambaforge-22.9"
+
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
   configuration: docs/source/conf.py
 
 # Optionally build your docs in additional formats such as PDF
 formats: all
 
-# Optionally set the version of Python and requirements required to build your docs
-python:
-  version: 3.8
-  install:
-    - method: setuptools
-      path: .
-
 conda:
-  environment: environment.yml
+  environment: environment.yml