chore(ci): Fix install order

Install Pixano Inference before Pixano so that the Pixano release candidate does not get overwritten by the Pixano Inference dependency

.github/workflows/lint.yml

@@ -73,9 +73,9 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install .
           python -m pip install pylint
           python -m pip install pixano-inference@git+https://github.com/pixano/pixano-inference
+          python -m pip install .
 
       - name: Lint backend code with Pylint
         run: |