Update Dockerfile

Dockerfile

@@ -1,5 +1,6 @@
 FROM n8nio/n8n:latest
 
 USER root
-RUN apk add --no-cache python3
+RUN apt-get update && apt-get install -y python3 python3-pip --no-install-recommends \
+    && rm -rf /var/lib/apt/lists/*
 USER node