CI: Fix expected docs directory

Author: effigies

.circleci/config.yml

@@ -275,7 +275,7 @@ jobs:
           environment: *test_environment
           command: bash -ux /home/circleci/nipype/.circleci/test_py3_docs.sh
       - store_artifacts:
-          path: /home/circle/nipype/docs
+          path: /home/circle/work/docs
       - run:
           name: Save Docker images to workspace if on master
           no_output_timeout: 60m