fix: extras -> with

.readthedocs.yaml

@@ -8,7 +8,7 @@ build:
     post_create_environment:
       - pip install poetry
       - pip install poetry-plugin-export
-      - poetry export --extras docs -f requirements.txt --output requirements.txt --without-hashes
+      - poetry export --with docs -f requirements.txt --output requirements.txt --without-hashes
 
 python:
   install: