[DOP-28270] fix readthedocs yaml file

Author: TiGrib

.readthedocs.yaml

@@ -12,8 +12,8 @@ build:
     post_checkout:
       - git fetch --unshallow || true
     post_create_environment:
-      - python -m pip install uv
-      - VIRTUAL_ENV=$READTHEDOCS_VIRTUALENV_PATH python -m pip install sphinx-plantuml # remove after https://github.com/zqmillet/sphinx-plantuml/pull/4
+      - UV_PROJECT_ENVIRONMENT=$READTHEDOCS_VIRTUALENV_PATH python -m pip install uv
+      - UV_PROJECT_ENVIRONMENT=$READTHEDOCS_VIRTUALENV_PATH uv pip install --no-deps sphinx-plantuml # remove after https://github.com/zqmillet/sphinx-plantuml/pull/4
 
     post_install:
       - UV_PROJECT_ENVIRONMENT=$READTHEDOCS_VIRTUALENV_PATH uv sync --no-install-project --extra server --extra consumer --extra postgres --extra seed --group docs