docs: fix deployment path (#681)

Author: alexsavulescu

.github/workflows/coreneuron-ci.yml

@@ -164,5 +164,5 @@ jobs:
         if: steps.documentation.outputs.status == 'done' && github.ref == 'refs/heads/master'
         with:
           branch: gh-pages # The branch the action should deploy to.
-          folder: ${{runner.workspace}}/nrn/docs/_build # The folder the action should deploy.
+          folder: ${{runner.workspace}}/CoreNeuron/build/docs  # The folder the action should deploy.
           single-commit: true #have a single commit on the deployment branch instead of maintaining the full history