Update testing.yml

Author: MMathisLab

.github/workflows/testing.yml

@@ -56,9 +56,13 @@ jobs:
         run: |
           conda install pytables==3.8.0 "numpy<2"
           
+      - name: Install dependencies via Conda
+        shell: bash -el {0}
+        run: conda install -y numpy=1.23.5
+
       - name: Install and test
         run: |
-          python -m pip install --upgrade pip wheel poetry
+          pip install --upgrade pip wheel poetry
           poetry lock
           poetry install --no-root
           poetry run dlc-live-test --nodisplay