Update Dockerfile

Dockerfile

@@ -1,2 +1,5 @@
 FROM huggingface/autotrain-advanced:7f5ff64
-CMD pip uninstall -y autotrain-advanced && pip install -U autotrain-advanced && autotrain app --host 0.0.0.0 --port 7860 --workers 1
+CMD pip uninstall -y autotrain-advanced && \
+    pip install --upgrade transformers && \
+    pip install -U autotrain-advanced && \
+    autotrain app --host 0.0.0.0 --port 7860 --workers 1