docs: update readthedocs config

.readthedocs.yml

@@ -9,7 +9,7 @@ build:
   jobs:
     pre_install:
       - pip install poetry
-      - poetry export -f requirements.txt --output requirements.txt --without-hashes --extras docs
+      - cd pragma-sdk && poetry export -f requirements.txt --output ../requirements.txt --without-hashes --extras docs && cd ..
 
 sphinx:
   configuration: pragma-sdk/docs/source/conf.py