fix(ci): Fix installing pixano-inference requirements

.github/workflows/lint.yml

@@ -47,6 +47,7 @@ jobs:
           python -m pip install pylint
           python -m pip install torch~=2.2.0 torchaudio~=2.2.0 torchvision~=0.17.0 --index-url https://download.pytorch.org/whl/cpu
           python -m pip install tensorflow-cpu~=2.15.0
+          python -m pip install .
 
       - name: Lint backend code with Pylint
         run: |