github/jedi: fix working directory in publish job

This was building the pybricks package instead of the pybricks_jedi
package because it was using the wrong directory.

Author: dlech

.github/workflows/jedi.yml

@@ -27,7 +27,10 @@ jobs:
         python-version: "3.10"
     - run: pipx install poetry
     - run: poetry install
+      working-directory: ./jedi
     - run: poetry build
+      working-directory: ./jedi
     - run: poetry publish
+      working-directory: ./jedi
       env:
         POETRY_PYPI_TOKEN_PYPI: ${{ secrets.PYPI_PYBRICKS_JEDI_TOKEN }}