fix rtd config (#18)

* fix rtd config

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

readthedocs.yml → .readthedocs.yaml

@@ -1,12 +1,17 @@
 version: 2
+
+# Set the OS, Python version and other tools you might need
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.12"
+
 python:
-    version: 3.8
     install:
       - method: pip
         path: .
         extra_requirements:
           - doc
 
-# Build documentation in the docs/ directory with Sphinx
 sphinx:
   configuration: docs/conf.py