Update ci-testing-unit.yml

Add instruction to install the package locally in developer mode (pip install -e )

Author: ecarrenolozano

.github/workflows/ci-testing-unit.yml

@@ -27,6 +27,8 @@ jobs:
         -   uses: ./.github/actions/setup
             with:
                 python-version: ${{ matrix.python-version }}
+        -   name: Install package in development mode
+            run: uv pip install -e .
         -   name: Run tests with coverage
             run: |
                 source .venv/bin/activate