chore: fix workflow installation (doh)

Author: Rudy Puig

.github/workflows/build.yaml

@@ -22,7 +22,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
         run: |
-          python -m pip install '.[dev,test]'
+          python -m pip install -e '.[dev,test]'
       - name: Run linting
         run: |
           python -m ruff check -q --diff --output-format=full .