Fix Failing RPi CI (#13088)

Co-authored-by: UltralyticsAssistant <web@ultralytics.com>
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

.github/workflows/ci.yaml

@@ -253,7 +253,7 @@ jobs:
       - name: Install requirements
         run: |
           python -m pip install --upgrade pip wheel
-          pip install -e ".[export]" pytest
+          pip install --no-cache-dir -e ".[export]" pytest mlflow pycocotools "ray[tune]"
       - name: Check environment
         run: |
           yolo checks