Merge pull request #222 from altheaden/update-docs-build-version

In CI, update docs build version to 3.13

Author: xylar

.github/workflows/docs_workflow.yml

@@ -8,7 +8,7 @@ on:
     types: [published]
 
 env:
-  PYTHON_VERSION: "3.10"
+  PYTHON_VERSION: "3.13"
 
 jobs:
   publish-docs: